estradiol congener conjugated estrogens http://purl.bioontology.org/ontology/SNOMEDCT/126098001 https://en.wikipedia.org/wiki/Conjugated_estrogens https://www.wikidata.org/wiki/Q4118295 G03CA57 A pharmaceutical preparation containing a mixture of water-soluble, conjugated estrogens derived wholly or in part from urine of pregnant mares or synthetically from estrone and equilin. It contains a sodium-salt mixture of estrone sulfate (52-62%) and equilin sulfate (22-30%) with a total of the two between 80-88%. Other concomitant conjugates include 17-alpha-dihydroequilin, 17-alpha-estradiol, and 17-beta-dihydroequilin. The potency of the preparation is expressed in terms of an equivalent quantity of sodium estrone sulfate. CEs conjugated equine estrogens conjugated estrogen steroidal estrogen Premarin Progynon 2 The Complete Dictionary of Sexology