15(10- 9)ABEO-6-METHYLERGOLIN-8-בYLMETHYL-IMIDAZOLIDINE-(AND HEXAHYDROPYRIMIDINE)-2,4-DION DERIVATIVES,THEIR PREPARATION AND PHARMACEUT

摘要

Compounds of the formula I: ##STR1## wherein R.sub.1 =H, CH. sub.3 ; m=0,1; R.sub.2 =R.sub.3 =H or R.sub.2, R.sub.3 =bond, R.sub.4 =C. sub.1 -C. sub.4 hydrocarbon, n=1 or 2 and their pharmaceutically acceptable salts are antihypertensive agents. Their preparation and pharmaceutical compositions containing them are also described.