abstract |
Compounds having the formula <IMAGE> and the pharmaceutically acceptable salts thereof, wherein R1 is alkanoyl; R2 is alkyl; R3 is alkylamino, dialkylamino, a 1-piperazinyl group, 4-aryl-1,2,3,6-tetrahydro-1-pyridinyl, or N-alkyl-N-(pyridinylalkyl)amino; and n is 1, 2 or 3; have useful hypotensive activity. |