1. C00389 compound   Quercetin
                      3,3',4,5,7-Pentahydroxyflavone
                      3,5,7,3',4'-Pentahydroxyflavone

2. C00616 compound   Quercetin 3-sulfate

3. C01155 compound   Quercetin 3,3'-bissulfate

4. C01156 compound   Quercetin 3,4'-bissulfate

5. C03430 compound   Quercetin 7-O-glucoside

6. C03897 compound   Quercetin 3,3',7-trissulfate

7. C03898 compound   Quercetin 3,4',7-trissulfate

8. C05623 compound   Quercetin 3-O-glucoside
                      Isoquercitrin
                      Isotrifoliin
                      2-(3,4-Dihidroxyphenyl)-3-(beta-D-glucofuranosyloxy)-5,7-dihydroxy- 4H-1-benzopyran-4-one

9. C05625 compound   Quercetin-3-rutinoside
                      Phytomelin
                      Rutin
                      Rutoside
                      Forsythia fruit
                      3-[[6-O-(6-Deoxy-alpha-L-mannopyranosyl)-beta-D-glucopyranosyl]oxy]- 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one

10. C10073 compound   Quercetin 3-galactoside
                      Hyperin

11. C10175 compound   Quercetin 3-(2G-xylosylrutinoside)

12. C12638 compound   Quercetin 3-O-malonylglucoside
                      Quercetin-3-O-(6''-malonylglucoside)
                      Quercetin 3-O-(6-O-malonyl-beta-D-glucoside)

13. C12667 compound   Quercetin 3-O-sophoroside
                      Quercetin 3-beta-D-sophoroside
                      Quercetin 3-O-beta-D-glucosyl-(1->2)-beta-D-glucoside
                      Baimaside
                      QUOSP

14. C12668 compound   Quercetin 3-sophorotrioside
                      Quercetin 3-O-beta-D-glucosyl-(1->2)-beta-D-glucosyl-(1->2)-beta-D-glucoside

15. C10022 compound   Quercetin 5-methyl ether
                      Azaleatin

16. C10084 compound   3-Methylquercetin
                      Quercetin 3'-methyl ether
                      Isorhamnetin

17. C10117 compound   Quercetin 3,7,3'-trimethyl ether
                      Pachypodol

18. C10176 compound   Quercetin 7-methyl ether
                      Rhamnetin

19. C10188 compound   Quercetin 4'-methyl ether
                      Tamarixetin

20. C12639 compound   Quercetin 7-O-beta-D-glucoside
                      Quercimeritrin

21. C12637 compound   Quercetin 3-O-[beta-D-xylosyl-(1->2)-beta-D-glucoside]