Methyl 3-methyl-4-oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]thieno[2,3-d]pyrimidine-2-carboxylate 1g

Methyl 3-methyl-4-oxo-4,6,7,8-tetrahydropyrrolo[1,2-a]thieno[2,3-d]pyrimidine-2-carboxylate 1g