apigenin yellow herbal dye molecule. skeletal formula.

apigenin molecule formula chemical skeletal yellow apigenine apigenol apigetrin apiin atomic atoms c15h10o5 carbon celeriac celery chamomile chemistry composition compound cyp2c9 drawing dye flat flavone herb herbal hydrogen icon line molecular nerve neurogenesis oxygen parsley pigment plant research science scientific spigenin structure versulin vitexin wool