Antagonists of LHRH

LHRH analogs and congeners with high water solubility have been synthesized. These new analogs had 0%-100% antiovulatory activity at a 0.5 .mu.g dosage and 0%-80% at 0.25 .mu.g. The ED.sub.50 for histamine release was 30.5 .mu.g/ml->300 .mu.g/ml.