Synonyms: 11-beta-Ethyl-17-alpha-ethinylestradiol;(11|A,17|A)-11-ethyl-17-ethynylestra-1,3,5(10)-triene-3,17-diol;11-beta-Ethyl-19-nor-17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol;19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol, 11-beta-ethyl-;42039-84-9;AC1L2A1P;AC1Q7A3D;CHEMBL1627611;KST-1A4763;39845-47-1;AR-1A0458;LS-97357;(8S,9S,11S,13S,14S,17R)-11-ethyl-17-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol