4-(1h-pyrazol-4-yl)-7h-pyrrolo 2 3-d pyrimidine July 8, 2019 16 32 64 128 4-chloro-7h-pyrrolo 2 3-d pyrimidine cas 4 4-bypyridine 4-chloro-5h-pyrrolo 3 2-d pyrimidine
