1-benzyl-7-formylwye

1-benzyl-1,4-dihydro-4,6,7-trimethyl-9H-imidazo[1,2-a]purin-9-one

1-benzyl-1,4-dihydro-7-hydroxymethyl-4,6-dimethyl-9H-imidazo<1,2-a>purin-9-one

怀俄苷

1-benzyl-4,6-dimethyl-1,4-dihydro-imidazo[1,2-a]purin-9-one