The biological activity of 6-chloro-7-methyl-9-(1'-D-ribityl)-isoalloxazine.
D005415:Flavins; D012256:Riboflavin / Q000037:antagonists & inhibitors*
D005415:Flavins; C008173:isoalloxazine; D012256:Riboflavin
VITAMIN B 2/antagonists