1,4-Dihydropyridine carboxylic acid esters useful as coronary vessel dilators and anti-hypertensives

摘要

1,4-DINYDROPYRIDINE CARBOXYLIC ACID ESTERS OF THE FORMULA: ##STR1## or a pharmaceutically acceptable nontoxic salt thereof wherein R, R.sub.1 R. sub.2 R.sub.3 R.sub.4 X and Y are defined hereinafterP P ARE USEFUL FOR THEIR CORONARY ACTIVITY, PARTICULARLY AS CORONARY VESSEL DILATORS AND AS ANTIHYPERTENSIVES.