| 摘要 |
Compounds having the formula (I), wherein R1 is hydrogen, cycloalkyl with 3 to 7 atoms of carbon, optionally substituted alkyl with 1 to 6 atoms of carbon; R2 and R4, independently from each other, represent hydrogen or alkyl with 1 to 6 atoms of carbon; R3 is hydrogen, alkyl with 1 to 25 atoms of carbon, nitro, trifluoromethyl, cyan, -COOR5, - COR6 or -S(O)nR7; Q is a completely insaturated ring system with at least 2 different ring hetero atoms of aromatic character. The derivatives are used as calcium antagonists. |
