| 摘要 |
<p>Cpds. of the general formula (I), their acid addn, salts and N-acyl derivs. where Ph1 and Ph2 = opt. substd. 1,2-phenylene, A = is not >7C, pref. is not >4C mono-Y-alkylene or -aralkylene (Y=O, N or S); the hetero-atoms in NA are separated by >=2C, and N is opt. substd.; R3 = H or 1-7C pref. 1-4C alkyl, (pref. R3 = H, Ph2 = C6H4, Ph1 = C6H4 or m Cl-C6H3) are spasmolytics, antiinflammatory and antisecretory agents.</p> |
