Trisubstituted phenyl analogs having activity for congestive heart failure

A compound of the formula (I) ##STR7## wherein R' is cycloalkyl of three to six carbons;

• Q is XR.sup.2 wherein R.sub.2 is lower alkyl, and X is O and S;
• A is a bond, straight or branched alkylenyl of from one to seven carbons or alkenylenyl of from two to six carbons having one, two or three double bonds having the alkylenyl or alkenylenyl, optionally interrupted by O, S, or NR.sup.5 ;
• wherein R.sup.5 is hydrogen, methyl or ethyl;
• Y is C(O)NR.sub.3 R.sub.4 wherein R.sub.3 and R.sub.4 are independently hydrogen or lower alkyl, azido or CN.