7,8-Dimethylisoalloxazine-10-acetic acid-adenin-9-ylethylamine complex 78093-77-3 Benzo(g)pteridine-10(2H)-acetic acid, 1,3,4,9a-tetrahydro-7,8-dimethyl-2,4-dioxo-, compd. with N9-ethyl-9H-purine-6,9-diamine, tetrahydrate Dia-aea