Organism Name: Prunus mume

Organism ID:   NPO28679
Organism Name:   Prunus mume
Native / Engineered Organism:   Native Organism
Matched Taxonomy Level:   Species
Organism External ID:   NCBI_Taxonomy_ID[ 102107]
Organism Synonyms:  
Genus:   Prunus
Family:   Rosaceae
Kingdom:   Viridiplantae
SuperKingdom:   Eukaryota

  Individual Natural Products

Natural Product ID Prefer Name (or InChiKey) IUPAC Name Number of Targets Number of Activity Records
NPC103209 FHXACOPOJBXRQQ-BANNQNFNSA-N n.a. 0 0
NPC287349 DFPMSGMNTNDNHN-UHFFFAOYSA-N n.a. 0 0
NPC114325 Guaiacol 2-methoxyphenol 42 113
NPC155185 IQGURDMZNWKPEW-VHYPUYLQSA-N n.a. 0 0
NPC262654 FFCVGPRCQWKWLA-LLVKDONJSA-N n.a. 0 0
NPC170526 CWVRJTMFETXNAD-TZZYZSCZSA-N n.a. 0 0
NPC1042 WCPDBYPYIAOHBP-LURJTMIESA-N n.a. 0 0
NPC57788 Quinic Acid n.a. 12 23
NPC185019 BDLLSHRIFPDGQB-AATRIKPKSA-N n.a. 0 0
NPC8547 2-Methoxy-4-Propylphenol 2-methoxy-4-propylphenol 2 6
NPC142703 (1R,3S,4S,5S)-3-((E)-3-(3,4-Dihydroxyphenyl)Acryloyloxy)-1,4,5-Trihydroxycyclohexanecarboxylic Acid (1R,3S,4S,5S)-3-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy-1,4,5-trihydroxycyclohexane-1-carboxylic acid 3 4
NPC9715 GHWCYGFRVFZILX-VZOQTWIESA-N n.a. 0 0
NPC155877 Quercetin 3-O-Neohesperidoside 3-[(2S,3R,4S,5R,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-2-(3,4-dihydroxyphenyl)-5,7-dihydroxychromen-4-one 3 11
NPC127343 Phenyl Propionic Acid 3-phenylpropanoic acid 9 32
NPC219969 5-Methylfurfural 5-methylfuran-2-carbaldehyde 1 1
NPC152538 DFPMSGMNTNDNHN-JJLSSNRUSA-N n.a. 0 0
NPC325196 GKHCBYYBLTXYEV-HENWMNBSSA-N n.a. 0 0
NPC166178 FYDIRKLRXHXXHY-UHFFFAOYSA-N n.a. 0 0
NPC201182 POULHZVOKOAJMA-UHFFFAOYSA-M n.a. 0 0
NPC176740 Rutin 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxychromen-4-one 103 333
NPC167976 CWVRJTMFETXNAD-XYXZIBEBSA-N n.a. 0 0
NPC126029 (-)-Epicatechin (2R,3R)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol 114 281
NPC14950 (2R,3S,4S,5R,6S)-2-(Hydroxymethyl)-6-[(R)-Isocyano(Phenyl)Methoxy]Oxane-3,4,5-Triol (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-[(R)-isocyano(phenyl)methoxy]oxane-3,4,5-triol 1 1
NPC138925 BOTWFXYSPFMFNR-WGBUPJQTSA-N n.a. 0 0
NPC245642 ZOUZJMBDRBNYLJ-KFTUZQHUSA-N n.a. 0 0
NPC130923 4-Cyclopentene-1,3-Dione cyclopent-4-ene-1,3-dione 1 1
NPC173837 3'-O-Methylquercetin3-O-Alpha-L-Rhamnopyranosyl(1->6)-2''-O-Acetyl-Beta-D-Glucopyranoside [(2S,3R,4S,5S,6R)-2-[5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-4-oxochromen-3-yl]oxy-4,5-dihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-3-yl] acetate 1 1
NPC289974 3-Methylbutanal 3-methylbutanal 2 4
NPC246469 (2S)-7-[4,5-Dihydroxy-6-(Hydroxymethyl)-3-(3,4,5-Trihydroxy-6-Methyloxan-2-Yl)Oxyoxan-2-Yl]Oxy-5-Hydroxy-2-(4-Hydroxyphenyl)-2,3-Dihydrochromen-4-One (2S)-7-[4,5-dihydroxy-6-(hydroxymethyl)-3-(3,4,5-trihydroxy-6-methyloxan-2-yl)oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one 57 57
NPC278112 WVDDGKGOMKODPV-PPJXEINESA-N n.a. 0 0
NPC3357 BJEPYKJPYRNKOW-REOHCLBHSA-N n.a. 1 1
NPC278068 3-O-Caffeoylquinic Acid (1R,3R,4S,5R)-3-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy-1,4,5-trihydroxycyclohexane-1-carboxylic acid 8 11
NPC296256 AAWZDTNXLSGCEK-FZTZQNQQSA-N n.a. 0 0
NPC272690 2-Hydroxypropanenitrile 2-hydroxypropanenitrile 2 2
NPC61181 Prunose Ii [(2R,3R,4R,5R)-5-(acetyloxymethyl)-5-[[(2R,3S,4R,5R,6R)-4,5-diacetyloxy-6-(acetyloxymethyl)-3-hydroxyoxan-2-yl]methoxy]-3,4-dihydroxyoxolan-2-yl]methyl (E)-3-(4-hydroxyphenyl)prop-2-enoate 2 5
NPC76217 Lactic Acid 2-hydroxypropanoic acid 7 26
NPC79056 Hesperidin (2S)-5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxy-2,3-dihydrochromen-4-one 42 68
NPC314434 KKYVJLVDACPFAE-UHFFFAOYSA-N n.a. 0 0
NPC89127 3-O-Alpha-L-Rhamnopyranosyl(1->6)-2''-O-Acetyl-Beta-D-Glucopyranoside [(2S,3R,4S,5S,6R)-2-[2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxochromen-3-yl]oxy-4,5-dihydroxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-3-yl] acetate 1 1
NPC270239 QNXSIUBBGPHDDE-UHFFFAOYSA-N n.a. 0 0
NPC70410 CXTATJFJDMJMIY-CYBMUJFWSA-N n.a. 0 0
NPC40818 Tangeretin 5,6,7,8-tetramethoxy-2-(4-methoxyphenyl)chromen-4-one 94 146
NPC194944 IEMMBWWQXVXBEU-UHFFFAOYSA-N n.a. 0 0
NPC302857 Chlorogenic Acid (1S,3R,4R,5R)-3-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxy-1,4,5-trihydroxycyclohexane-1-carboxylic acid 68 174
NPC242773 TWXLNQHRCVWVAT-VZOQTWIESA-N n.a. 0 0
NPC68873 Acetic Acid hydron;acetate 16 100
NPC192402 Malic Acid 2-hydroxybutanedioic acid 12 18
NPC270849 Citrusin C (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-(2-methoxy-4-prop-2-enylphenoxy)oxane-3,4,5-triol 4 5
NPC78500 Benzaldehyde benzaldehyde 26 62
NPC68743 Trimethyl 2-Hydroxypropane-1,2,3-Tricarboxylate trimethyl 2-hydroxypropane-1,2,3-tricarboxylate 5 6
NPC59712 YONLFQNRGZXBBF-UHFFFAOYSA-N n.a. 0 0
NPC148756 DFNXNCCYQRPZMD-QBPMGZHBSA-N n.a. 0 0
NPC114328 DYAISPAQPPRCQC-LLVKDONJSA-N n.a. 0 0
NPC156840 4-Ethyl-2-Methoxyphenol 4-ethyl-2-methoxyphenol 2 3
NPC9794 OSWPMRLSEDHDFF-BJUDXGSMSA-N n.a. 0 0
NPC97444 Tartrate (2R,3R)-2,3-dihydroxybutanedioic acid 7 13
NPC307875 Syringol 2,6-dimethoxyphenol 12 23
NPC216630 Palmitic Acid hexadecanoic acid 59 236
NPC112866 AOWMBRPPHGNFDX-HPPBOAITSA-N n.a. 0 0
NPC206850 OTLZRRUHHNDQIU-VDLBPHGSSA-N n.a. 0 0
NPC284372 XJZIVQGVSOVEOC-UHFFFAOYSA-N n.a. 0 0
NPC293378 Citric Acid 2-hydroxypropane-1,2,3-tricarboxylic acid 38 217
NPC219876 Cianidanol (2R,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol 166 317
NPC307739 D-Lactic Acid (2R)-2-hydroxypropanoic acid 10 29
NPC19470 SUXVWSIPTXXPOZ-UXXRCYHCSA-N n.a. 1 2
NPC104316 DNTSXRMSSGNLFL-UHFFFAOYSA-N n.a. 0 0
NPC81775 CWVRJTMFETXNAD-DUXPYHPUSA-N n.a. 0 0
NPC32441 Naringenin (2S)-5,7-dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one 142 327
NPC223747 Isorhamnetin 3-O-Rhamnoside 5,7-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxychromen-4-one 1 1
NPC60589 (2R,3S,4S,5R,6S)-2-(Hydroxymethyl)-6-(4-Prop-2-Enylphenoxy)Oxane-3,4,5-Triol (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-(4-prop-2-enylphenoxy)oxane-3,4,5-triol 2 4
NPC227250 VVPRQWTYSNDTEA-UHFFFAOYSA-N n.a. 0 0
NPC100742 Tartaric Acid (2S,3S)-2,3-dihydroxybutanedioic acid 8 13
NPC122467 Alcesefoliside 2-(3,4-dihydroxyphenyl)-3-[(2S,3R,4S,5R,6R)-4,5-dihydroxy-3-[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy-6-[[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxymethyl]oxan-2-yl]oxy-5,7-dihydroxychromen-4-one 2 4
NPC107482 5-Hydroxymethyl-Furfural 5-(hydroxymethyl)furan-2-carbaldehyde 18 38
NPC47596 Fenchlorazol-Ethyl ethyl 1-(2,4-dichlorophenyl)-5-(trichloromethyl)-1,2,4-triazole-3-carboxylate 8 48
NPC294902 Caffeic Acid (E)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid 219 596
NPC318611 BGWWYZXBGAKMRB-HHHGZCDHSA-N n.a. 0 0
NPC20674 Methoxyeugenol 2,6-dimethoxy-4-prop-2-enylphenol 3 7
NPC100128 XFXPMWWXUTWYJX-UHFFFAOYSA-N n.a. 0 0
NPC107101 (4-Methylphenyl) Acetate (4-methylphenyl) acetate 3 11
NPC82981 ZODRLJLUCBBQSJ-UHFFFAOYSA-N n.a. 0 0
NPC218109 ZMDOPLQSOGZPJN-UHFFFAOYSA-N n.a. 0 0
NPC58616 E1501 benzyl acetate 8 195
NPC185339 XPQGQRUKEBSKNW-OLXYHTOASA-M n.a. 0 0
NPC20791 Quercetin 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxychromen-4-one 553 2064
NPC186266 DVWSXZIHSUZZKJ-JSIPCRQOSA-N n.a. 0 0
NPC304927 2-Methylbutanal 2-methylbutanal 2 11
NPC25581 3-(3,4-Dihydroxyphenyl)-2-[(E)-3-(3,4-Dihydroxyphenyl)Prop-2-Enoyl]Oxypropanoic Acid 3-(3,4-dihydroxyphenyl)-2-[(E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]oxypropanoic acid 39 59
NPC57293 GHWCYGFRVFZILX-XQUPJRSRSA-N n.a. 0 0
NPC311485 FTVWIRXFELQLPI-CYBMUJFWSA-N n.a. 0 0
NPC20050 2Beta,3Beta-Epoxy-5,7,3',4'-Tetrahydroxyflavan-(4Alpha->8)-Epicatechin (2R,3R)-8-[(1aR,7S,7aS)-1a-(3,4-dihydroxyphenyl)-4,6-dihydroxy-7,7a-dihydrooxireno[2,3-b]chromen-7-yl]-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol 2 10
NPC61477 Catechin 2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol 54 129
NPC306267 2Beta,3Beta-Epoxy-5,7,4'-Trihydroxyflavan-(4Alpha->8)-Epicatechin (2R,3R)-8-[(1aR,7S,7aS)-4,6-dihydroxy-1a-(4-hydroxyphenyl)-7,7a-dihydrooxireno[2,3-b]chromen-7-yl]-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol 2 10
NPC173696 ZKSZEJFBGODIJW-YOVYLDAJSA-N n.a. 0 0
NPC150958 GEVPUGOOGXGPIO-BQTCFENJSA-N n.a. 0 0
NPC146316 2-Methylfuran 2-methylfuran 4 5
NPC265290 PYYBXMVTBWYBDY-ZLMJYOPTSA-N n.a. 9 22
NPC167387 JVKQHDUTAFISFX-UHFFFAOYSA-N n.a. 0 0
NPC79943 5,7-Dihydroxy-2-(4-Hydroxyphenyl)-2,3-Dihydrochromen-4-One 5,7-dihydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one 35 59
NPC187770 Ascorbate (2R)-2-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one 62 1115
NPC60830 3-Hydroxy-5-Methoxy-3-Methoxycarbonyl-5-Oxopentanoic Acid 3-hydroxy-5-methoxy-3-methoxycarbonyl-5-oxopentanoic acid 1 1
NPC246358 4-Ethenyl-2-Methoxyphenol 4-ethenyl-2-methoxyphenol 3 7
NPC279026 Decanoic Acid decanoic acid 25 106
NPC124436 P-Cresol 4-methylphenol 22 72
NPC127341 XMIIGOLPHOKFCH-UHFFFAOYSA-M n.a. 0 0
NPC200265 FLOHMUHVWAXLJI-FNVMNULWSA-N n.a. 0 0
NPC97117 BHLWLVTYEDJFGZ-UHFFFAOYSA-N n.a. 0 0
NPC185290 PKIXXJPMNDDDOS-MVQNEBOGSA-N n.a. 0 0
NPC163076 Cyanide formonitrile 17 37
NPC51260 BJEPYKJPYRNKOW-DOCFYQGNSA-N n.a. 0 0
NPC323467 VADSVXSGIFBZLI-IWQYDBTJSA-N n.a. 0 0
NPC142860 Naringin (2S)-7-[(2S,3R,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one 38 69
NPC270043 WOGBNISMMIOPAZ-NWQIESHVSA-N n.a. 0 0
NPC189142 Galuteolin 2-(3,4-dihydroxyphenyl)-5-hydroxy-7-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one 63 121
NPC301950 Oxalic Acid hydron;oxalate 8 23
NPC7097 2-Methoxy-4-Methylphenol 2-methoxy-4-methylphenol 2 6
NPC141078 DFPMSGMNTNDNHN-BRZCDTLOSA-N n.a. 0 0
NPC261619 (+)-Epicatechin (2S,3S)-2-(3,4-dihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol 11 20
NPC103533 Prunose I [(2R,3R,4R,5R)-3-acetyloxy-5-(acetyloxymethyl)-5-[[(2R,3S,4R,5R,6R)-4,5-diacetyloxy-6-(acetyloxymethyl)-3-hydroxyoxan-2-yl]methoxy]-4-hydroxyoxolan-2-yl]methyl (E)-3-(4-hydroxyphenyl)prop-2-enoate 2 3
NPC178595 JVTAAEKCZFNVCJ-REOHCLBHSA-N n.a. 5 6
NPC1075 (Z)-3-(3,4-Dihydroxyphenyl)Prop-2-Enoic Acid (Z)-3-(3,4-dihydroxyphenyl)prop-2-enoic acid 9 19
NPC179694 LGOPTUPXVVNJFH-UHFFFAOYSA-N n.a. 0 0
NPC281335 PYYYNPWDFQPSPH-UHFFFAOYSA-N n.a. 0 0
NPC175069 CRUILBNAQILVHZ-UHFFFAOYSA-N n.a. 0 0
NPC257124 Eugenol 2-methoxy-4-prop-2-enylphenol 98 251
NPC120217 Prunasin (2R)-2-phenyl-2-[(2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyacetonitrile 2 2
NPC137167 CPTCHGRDJMOIJZ-XHTKMIFXSA-N n.a. 0 0
NPC3857 UAXYBJSAPFTPNB-ZHACJKMWSA-N n.a. 0 0
NPC197783 4-Ethylphenol 4-ethylphenol 13 36
NPC184078 AJAKLDUGVSKVDG-UHFFFAOYSA-N n.a. 3 5
NPC258019 ZXNSCYAHFCSTCR-UHFFFAOYSA-N n.a. 0 0
NPC66655 Benzyl Alcohol phenylmethanol 20 50
NPC171188 Butanedione butane-2,3-dione 19 33
NPC248190 3-Methylcyclopentane-1,2-Dione 3-methylcyclopentane-1,2-dione 6 9
NPC217226 Furfural furan-2-carbaldehyde 14 35
NPC19044 (2R)-2-Hydroxybutanedioic Acid (2R)-2-hydroxybutanedioic acid 4 4
NPC179950 Isoquercetin 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one 100 265
NPC305044 PYYBXMVTBWYBDY-NVYIPTEVSA-N n.a. 71 71
NPC53223 PYYBXMVTBWYBDY-QOOAFILCSA-N n.a. 0 0
NPC250828 DFPMSGMNTNDNHN-ODOGPVEPSA-N n.a. 0 0
NPC223695 OYHQOLUKZRVURQ-AVQMFFATSA-M n.a. 0 0
NPC152384 Benzyl Beta-D-Glucopyranoside (2R,3S,4S,5R,6R)-2-(hydroxymethyl)-6-phenylmethoxyoxane-3,4,5-triol 6 10
NPC137816 DFPMSGMNTNDNHN-CSBXLKJISA-N n.a. 0 0
NPC236709 Succinic Acid butanedioic acid 18 45
NPC230301 Beta-Sitosterol (3S,8S,9S,10R,13R,14S,17R)-17-[(2R,5R)-5-ethyl-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol 107 201
NPC92071 KANZWHBYRHQMKZ-UHFFFAOYSA-N n.a. 1 3
NPC145708 DFPMSGMNTNDNHN-CSIAVLANSA-N n.a. 0 0
NPC24751 Cadaverine Tartrate 2,3-dihydroxybutanedioic acid 1 2
NPC100749 FEWJPZIEWOKRBE-LWMBPPNESA-L n.a. 0 0
NPC153974 UDSMTNDZFCWEJL-UHFFFAOYSA-N n.a. 0 0
NPC72722 2-Dodecyl-3-Methylbutanedioic Acid 2-dodecyl-3-methylbutanedioic acid 5 5
NPC82107 WLAMNBDJUVNPJU-JVVVGQRLSA-N n.a. 0 0
NPC43185 PYYBXMVTBWYBDY-LERWJUDQSA-N n.a. 0 0
NPC89088 DFPMSGMNTNDNHN-KTEXIAFXSA-N n.a. 0 0
NPC44328 5-Hydroxy-2-(3-Hydroxy-4-Methoxyphenyl)-7-[3,4,5-Trihydroxy-6-[(3,4,5-Trihydroxy-6-Methyloxan-2-Yl)Oxymethyl]Oxan-2-Yl]Oxy-2,3-Dihydrochromen-4-One 5-hydroxy-2-(3-hydroxy-4-methoxyphenyl)-7-[3,4,5-trihydroxy-6-[(3,4,5-trihydroxy-6-methyloxan-2-yl)oxymethyl]oxan-2-yl]oxy-2,3-dihydrochromen-4-one 4 11
NPC79002 IKGXIBQEEMLURG-PWJZREMGSA-N n.a. 0 0
NPC43017 DOOVTZTXRIPBEP-UHFFFAOYSA-N n.a. 0 0
NPC214153 UDXGKLGUAJLLCJ-UHFFFAOYSA-N n.a. 0 0
NPC162822 DFPMSGMNTNDNHN-UURCFQRRSA-N n.a. 0 0
NPC125144 Syn-Benzaldoxime (NZ)-N-benzylidenehydroxylamine 2 6

  NPs produced by Co-culture Organisms (for Co-culture organisms, the full organism list can be found HERE)

Organism Name Producer Organism Inducer Organism NP ID NP Name Effect of Co-culture Reference

  NPs produced by Engineered Organisms (for Engineered organisms, the full organism list can be found HERE)

Organism Name Parent Organism Name Engineered Gene in Organism Purpose of Engineering Engineering Category Engineering Description NP ID NP Name NP Yeild of Parent Organism NP Yeild of Engineered Organism Yeild Change Reference

  The Quantitative Compositions of NPs in Organism

Organism ID NP ID Organism Material Preparation Organism Part NP Quantity (Standard) NP Quantity (Minimum) NP Quantity (Maximum) Quantity Unit Reference