Oxprenoate potassium (developmental code name RU-28318) is a synthetic steroidal antimineralocorticoid which was never marketed. The affinities of oxprenoate potassium for the steroid hormone receptors have been reported. See also Oxprenoate References Antimineralocorticoids Carboxylic acids Ketones Potassium compounds Pregnanes Spirolactones Tertiary alcohols