Heterocyclic Compounds from 3,4-Diaminodimethylamino-1-methylpyrazolo[3,4-d]pyrimidine: Approach to Novel ortho- and peri-Fused Heterocyclic Ring System
Heterocyclic Compounds from 3,4-Diaminodimethylamino-1-methylpyrazolo[3,4-d]pyrimidine: Approach to Novel ortho- and peri-Fused Heterocyclic Ring System
Heterocyclic Compounds from 3,4-Diaminodimethylamino-1-methylpyrazolo[3,4-d]pyrimidine: Approach to Novel ortho- and peri-Fused Heterocyclic Ring System