Medicament for treating or preventing cerebrovascular disease (medicament for treating or preventing cerebrovascular diseases)

摘要

The present invention relates to the use of a compound of the following general formula (I), (II) or (III) or a pharmaceutically acceptable salt thereof for the preparation of a medicament for the treatment or prophylaxis of cerebrovascular diseases:;Wherein R^OneIs hydrogen, lower alkyl, lower alkenyl or N, N-di (lower) alkylaminomethyl, R²Is hydrogen, lower alkyl or halogen and R³Is imidazolyl or pyridyl, each of which may have suitable substituent (s) and R⁴Is hydrogen, lower alkyl, lower alkenyl or hydroxy (lower) alkyl, R⁵Is hydrogen, hydroxy or acyloxy, or R⁴And R⁵Are joined together to form an additional bond, R⁶, R⁷And R⁸Are each hydrogen, lower alkyl, lower alkenyl, aryl or ar (lower) alkyl, R⁹Is imidazolyl, or pyridyl, which may have suitable substituent (s), A is lower alkylene, Is a single bond or a double bond.