. . . . "reduced riboflavin"^^ . "7,8-dimethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)-4a,5-dihydroisoalloxazine"^^ . "7,8-dimethyl-10-(D-ribo-2,3,4,5-tetrahydroxypentyl)-5,10-dihydrobenzo[g]pteridine-2,4(3H,4aH)-dione"^^ . "4a,5-dihydroriboflavine"^^ . . "reduced riboflavin"^^ .