Brickellin    Chemical structure of brickellin    Names      IUPAC name  2′,5-Dihydroxy-3,4′,5′,6,7-pentamethoxyflavone
     Systematic IUPAC name  5-Hydroxy-2-(2-hydroxy-4,5-dimethoxyphenyl)-3,6,7-trimethoxy-4H -1-benzopyran-4-one
   Identifiers                          ChEMBL       ChemSpider                        UNII                  InChI=1S/C20H20O9/c1-24-11-6-9(10(21)7-12(11)25-2)18-20(28-5)17(23)15-13(29-18)8-14(26-3)19(27-4)16(15)22/h6-8,21-22H,1-5H3
 Y  Key: USWPTYUGAMOLAB-UHFFFAOYSA-N
 Y  InChI=1/C20H20O9/c1-24-11-6-9(10(21)7-12(11)25-2)18-20(28-5)17(23)15-13(29-18)8-14(26-3)19(27-4)16(15)22/h6-8,21-22H,1-5H3
Key: USWPTYUGAMOLAB-UHFFFAOYAR
       COc3cc(C=1Oc2cc(OC)c(OC)c(O)c2C(=O)C=1OC)c(O)cc3OC
     Properties        C 20 H 20 O 9     Molar mass  −1         Density  1.443 g/mL              Except where otherwise noted, data are given for materials in their 
standard state  (at 25 °C [77 °F], 100 kPa).
Infobox references
    
 Brickellin  is an O-methylated flavonol .[ 1] Brickellia veronicifolia [ 2] 
 
References    ^ Iinuma, M (1985). "Synthesis and revised structure of the flavone brickellin". Phytochemistry . 24  (6): 1367– 1368. Bibcode :1985PChem..24.1367I . doi :10.1016/S0031-9422(00)81135-8 . ^ Brickellin, a novel flavone from Brickellia veronicaefolia and B. chlorolepis. Roberts M. F., Timmermann B. N., Mabry T. J., Brown R. and Matlin S. A., Phytochemistry, 1984, volume 23, no 1, pages 163-165, INIST   9471694      
Flavonols and their conjugates
Backbone 
Flavonols 
Aglycones Conjugates 
Glycosides of herbacetin  Glycosides of kaempferol   Afzelin  (Kaempferol 3-rhamnoside)Astragalin  (kaempferol 3-O-glucoside)Kaempferitrin  (kaempferol 3,7-dirhamnoside)Juglanin  (Kaempferol 3-O-arabinoside)Kaempferol 3-alpha-L-arabinopyranoside  Kaempferol 3-alpha-D-arabinopyranoside  Kaempferol 7-alpha-L-arabinoside  Kaempferol 7-O-glucoside Kaempferol 3-lathyroside  Kaempferol 4'-rhamnoside  Kaempferol 5-rhamnoside  Kaempferol 7-rhamnoside  Kaempferol 7-O-alpha-L-rhamnofuranoside  Kaempferol 3-xyloside  Kaempferol 7-xyloside  Robinin  (kaempferol-3-O-robinoside-7-O-rhamnoside)Kaempferol 3-O-rutinoside Sophoraflavonoloside (Kaempferol 3-O-sophoroside)  Trifolin  (Kaempferol 3-O-beta-D-galactoside) Glycosides of myricetin  Conjugates of quercetin  
O -Methylated flavonols
Aglycones Glycosides 
of isorhamnetin  Narcissin (Isorhamnetin 3-O-rutinoside)  Isorhamnetin 3-O-glucoside  Tamarixetin 7-rutinoside  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-glucoside  Xanthorhamnin  (Rhamnetin glycoside) 
Derivative flavonols 
Aglycones  Noricaritin  Dihydronoricaritin  Glycosides 
Pyranoflavonols 
Furanoflavonols 
Semisynthetic