titleOfInvention |
PREPARATIONS OF G-LACTONES OF 7X- (ALCOXYCARBONYL) -6X -ALKYL / HALOG ACIDS 17-HYDROXY-3-OXO-17A -PREGN-4-ENE-21-CARBOXYLIC, THE CORRESPONDING 21-CARBOXYLIC ACIDS AND THEIR CORRESPONDING ESTERS, AND THEIR THERAPEUTIC USE AS DIURETICS |