1 3 4 6 7 8-hexahydro-2h-pyrimido 1 2-a pyrimidine July 8, 2019 16 32 64 128 1 3 4 6 7 8-hexahydro-4 6 6 7 8 8-hexamethylindeno 5 6-c pyran 4-(1h-pyrazol-4-yl)-7h-pyrrolo 2 3-d pyrimidine
