(2014/04/04)
tert-butyl 5-methyl-2-((tetrahydro-2H-pyran-4-yl)amino)-5H-pyrrolo[3,4-d]pyrimidine-6(7H)-carboxylate
tert-butyl 5-methyl-2-(methylsulfonyl)-5H-pyrrolo[3,4-d]pyrimidine-6(7H)-carboxylate
tert-butyl 5-methyl-2-(methylthio)-5H-pyrrolo[3,4-d]pyrimidine-6(7H)-carboxylate
(Z)-tert-butyl 3-((dimethylamino)methylene)-2-methyl-4-oxopyrrolidine-1-carboxylate
tert-butyl 2-methyl-4-oxopyrrolidine-1-carboxylate