The molecule is the pteridine that is lumazine substituted with a methyl group at C-6, a hydroxy group at C-7 and a 1-D-ribityl group at N-8. It has a role as an EC 2.5.1.9 (riboflavin synthase) inhibitor. It derives from a lumazine and a ribitol.
6-methyl-8-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]-1H-pteridine-2,4,7-trione