| 摘要 |
<p>Novel N-(trimethoxybenzyl)-piperazines of the formula: (I), wherein A = , wherein R is trifluoromethyl, hydroxy, nitro, halogen, lower-alkyl, or lower-alkoxy; R' is hydrogen, trifluoromethyl, halogen, lower-alkyl, or lower-alkoxy; R" is hydrogen or lower-alkoxy, or wherein R and either R' or R" together stand for loweralkylene dioxy, and acid addition salts thereof, a method of preparing same, pharmaceutical compositions thereof, and a method of enhancing circulation, especially cerebrovascular circulation, therewith, are disclosed.</p> |
