Afzelin
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| Names | 
| IUPAC name 4′,5,7-Trihydroxy-3-(α-D-rhamnopyranosyloxy)flavone | 
| Systematic IUPAC name 5,7-Dihydroxy-2-(4-hydroxyphenyl)-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy}-4H-1-benzopyran-4-one | 
| Other names Kaempferol 3-rhamnosideKaempferol 3-O-rhamnoside
 Kaempferin
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| Identifiers | 
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InChI=1S/C21H20O10/c1-8-15(25)17(27)18(28)21(29-8)31-20-16(26)14-12(24)6-11(23)7-13(14)30-19(20)9-2-4-10(22)5-3-9/h2-8,15,17-18,21-25,27-28H,1H3/t8-,15-,17+,18+,21-/m0/s1 Key: SOSLMHZOJATCCP-AEIZVZFYSA-N
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OC(C=C1)=CC=C1C2=C(O[C@@H]3O[C@@H](C)[C@H](O)[C@@H](O)[C@H]3O)C(C4=C(O)C=C(O)C=C4O2)=O
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| Properties | 
|  | C21H20O10 | 
| Molar mass | 432.381 g·mol−1 | 
| Except where otherwise noted, data are given for materials in their standard state  (at 25 °C [77 °F], 100 kPa).Infobox references | 
Afzelin is a flavonol glycoside. It is the rhamnoside of kaempferol.  It is found in Nymphaea odorata.[1]
References
- ^ Zhang, Z; Elsohly, HN; Li, XC; Khan, SI; Broedel, SE; Raulli, RE; Cihlar, RL; Burandt, C; Walker, LA (2003). "Phenolic compounds from Nymphaea odorata". Journal of Natural Products. 66 (4): 548–50. doi:10.1021/np020442j. PMID 12713413.
 
| Flavonols and their conjugates | 
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| Backbone |  | 
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| Flavonols | | Aglycones |  | 
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 | Conjugates | | Glycosides of herbacetin |  | 
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 | Glycosides of kaempferol | 
 (Kaempferol 3-rhamnoside)Astragalin (kaempferol 3-O-glucoside)Kaempferitrin (kaempferol 3,7-dirhamnoside)Juglanin (Kaempferol 3-O-arabinoside)Kaempferol 3-alpha-L-arabinopyranosideKaempferol 3-alpha-D-arabinopyranosideKaempferol 7-alpha-L-arabinosideKaempferol 7-O-glucosideKaempferol 3-lathyrosideKaempferol 4'-rhamnosideKaempferol 5-rhamnosideKaempferol 7-rhamnosideKaempferol 7-O-alpha-L-rhamnofuranosideKaempferol 3-xylosideKaempferol 7-xylosideRobinin (kaempferol-3-O-robinoside-7-O-rhamnoside)Kaempferol 3-O-rutinosideSophoraflavonoloside (Kaempferol 3-O-sophoroside)Trifolin (Kaempferol 3-O-beta-D-galactoside)
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 | Glycosides of myricetin |  | 
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 | Conjugates of quercetin |  | 
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| O-Methylated flavonols | | Aglycones |  | 
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 | Glycosides | | of isorhamnetin | 
Narcissin (Isorhamnetin 3-O-rutinoside)Isorhamnetin 3-O-glucosideTamarixetin 7-rutinoside
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 | other | 
Azalein (Azaleatin 3-O-α-L-rhamnoside)Centaurein (Centaureidin 7-O-glucoside)Eupalin (Eupalitin 3-0-rhamnoside)Eupatolin (Eupatolitin 3-O-rhamnoside)Jacein (Jaceidin 7-O-glucoside)Patulitrin (Patuletin 7-O-glucosideXanthorhamnin (Rhamnetin glycoside)
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| Derivative flavonols | | Aglycones | 
NoricaritinDihydronoricaritin
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 | Glycosides |  | 
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| Pyranoflavonols |  | 
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| Furanoflavonols |  | 
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| Semisynthetic |  | 
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