| 摘要 |
Compounds of the formula <IMAGE> wherein R and R9 are independently hydroxy or lower alkoxy, R1 and R2 are hydrogen or lower alkyl, aryl-lower alkyl having from 7 to 12 carbon atoms, or heterocyclic-lower alkyl having from 6 to 12 carbon atoms, R3, R4, R5, R7 and R8 are hygrogen or lower alkyl, R6 is cycloalkly having from 3 to 20 carbon atoms, aryl or aryl-lower alkyl, and the aryl group contains from 6 to 10 carbon atoms, and their pharmaceutically acceptable, nontoxic acid addition salts and where R or R9 or both are hydroxy, their pharmaceutically acceptable, nontoxic basic salts possess antihypertensive activity. |
