Compounds of the formula ##STR1## and their pharmaceutically acceptable salts, wherein the substituents are as defined herein, having antihypertensive activity.
式##STR1##及其药用可接受的盐的化合物,其中取代基如本文所定义,具有降压活性。
Diastereoselective Synthesis of 2,3-cis-Alkyl-3-oxygenated Piperidine Derivatives by Titanium Mediated Intramolecular Cyclization of a-Aminoacetal-allylsilane System