摘要：

Hypotensive activity is exhibited by new compounds having the formula and salts thereof wherein R 1 is alkyl, aryl, arylalkyl, cycloalkyl, or cycloalkylalkyl; R 2 is cycloalkyl, 3-cyclohexenyl or 2-alkyl-3-cyclohexenyl; R 3 is alkyl, cycloalkyl or phenyl; R 4 is hydrogen or alkyl; one of R 5 and R 6 is hydrogen and the other is alkyl-X-, phenyl-X-, alkoxy, phenyloxy, phenyl, cycloalkyl, alkyl, or phenylalkyl; or together R 5 and R 6 are -XCH 2 CH 2 X-; and X is R 7 is hydrogen or and n is 0 or 1.

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