4',5,7-Trihydroxyflavone 4H-1-Benzopyran-4-one, 5,7-dihydroxy-2-(4-hydroxyphenyl)- 520-36-5 Apigenin Apigenine Apigenol C.I. Natural Yellow 1 Chamomile Flavone, 4',5,7-trihydroxy- NSC83244 Spigenin