tert-butyl 4-oxo-3H,4H,5H,6H,7H-pyrrolo[3,4-d]pyrimidine-6-carboxylate
tert-butyl 4-chloro-5H,6H,7H-pyrrolo[3,4-d]pyrimidine-6-carboxylate
tert-butyl 2,4-dichloro-5H,6H,7H-pyrrolo[3,4-d]pyrimidine-6-carboxylate
2-methoxy-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidine hydrochloride
![tert-butyl 4-oxo-3H,4H,5H,6H,7H-pyrrolo[3,4-d]pyrimidine-6-carboxylate](images/201806/source_img/11304_G_1528158604962.jpg)
![tert-butyl 4-chloro-5H,6H,7H-pyrrolo[3,4-d]pyrimidine-6-carboxylate](images/201806/source_img/10965_G_1528158588125.jpg)
![tert-butyl 2,4-dichloro-5H,6H,7H-pyrrolo[3,4-d]pyrimidine-6-carboxylate](images/201806/source_img/9983_G_1528158544196.jpg)
![2-methoxy-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidine hydrochloride](images/201806/source_img/324_G_1528157205574.jpg)