Datoteka:Flavin with R-group.pngcharacteristic three ring structure. The R-group varies and determines the type of flavin. author name string: Berry's Human Wikimedia username: Berry's Human URL:
Datoteka:Isoalloxazine Structure.pngcharacteristic three ring structure. The R-group varies and determines the type of flavin. Wikimedia username: Berry's Human URL: https://commons.wikimedia