Synonyms: Isoriboflavin;Isoriboflavine;X 18;Riboflavine, 8-demethyl-6-methyl-;5,6-Dimethyl-9-D-ribitylisoalloxazine;1-deoxy-1-(6,7-dimethyl-2,4-dioxo-3,4-dihydrobenzo[g]pteridin-10(2h)-yl)pentitol;5984-80-5;AC1L4WLU;AC1Q6IC4;NSC3100;Riboflavin, 8-demethyl-6-methyl-;NSC 3100;NSC-3100;AR-1C2708;Isoalloxazine,7-dimethyl-10-D-ribityl-;6,5-b]quinoxaline-2,4(3H,10H)-dione;Riboflavin, 8-demethyl-6-methyl- (9CI);Isoalloxazine, 6,7-dimethyl-10-D-ribityl-;Isoalloxazine,7-dimethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)-;6,7-dimethyl-10-(2,3,4,5-tetrahydroxypentyl)benzo[g]pteridine-2,4-dione;Isoalloxazine, 6,7-dimethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)- (8CI)