abstract |
Isopropyl 5-(2-aminoethoxymethyl)-3-cyano-7-(2,3-Âdifluorophenyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-6-Âcarboxylate or pharmaceutically acceptable acid addition salt and/or hydrate thereof is disclosed. n Such compound has specifically mild and long lasting hypotensive activity and higher bioavailability by the oral administration. |