| 摘要 |
1-(Indolyl-3-alkyl)-3 or 4-(ureido or guanidino)-piperidines, e.g. those of the formula <IMAGE> R = H; alkyl; free, etherified or esterified OH or SH; CF3, NO2 or NH2 m = 1-4; n = 2 or 3; X = O, S or NH acyl derivatives and salts thereof are antihypertensive agents.
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