17alpha-Ethynyl-19-norandrost-4-ene-3beta,17-beta-diol diacetate{}17alpha-Ethynyl-3,17-dihydroxy-4-estrene diacetate{}17alpha-Ethynyl-4-estrene-3beta,17beta-diol diacetate{}17alpha-Ethynylestr-4-ene-3beta,17beta-diol acetate{}19-Nor-17alpha-pregn-4-en-20-yne-3beta,17-diol diacetate{}3beta, 17beta-Diacetoxy-17alpha-ethynyl-4-oestrene{}3beta,17beta-Diacetoxy-19-nor-17alpha-pregn-4-en-20-yne{}17a-Ethynyl-19-norandrost-4-ene-3b,17-b-diol diacetate{}17a-Ethynyl-19-norandrost-4-ene-3b,17-b-diol diacetic acid{}17alpha-Ethynyl-19-norandrost-4-ene-3beta,17-beta-diol diacetic acid{}17Α-ethynyl-19-norandrost-4-ene-3β,17-β-diol diacetate{}17Α-ethynyl-19-norandrost-4-ene-3β,17-β-diol diacetic acid{}17a-Ethynyl-3,17-dihydroxy-4-estrene diacetate{}17a-Ethynyl-3,17-dihydroxy-4-estrene diacetic acid{}17alpha-Ethynyl-3,17-dihydroxy-4-estrene diacetic acid{}17Α-ethynyl-3,17-dihydroxy-4-estrene diacetate{}17Α-ethynyl-3,17-dihydroxy-4-estrene diacetic acid{}17a-Ethynyl-4-estrene-3b,17b-diol diacetate{}17a-Ethynyl-4-estrene-3b,17b-diol diacetic acid{}17alpha-Ethynyl-4-estrene-3beta,17beta-diol diacetic acid{}17Α-ethynyl-4-estrene-3β,17β-diol diacetate{}17Α-ethynyl-4-estrene-3β,17β-diol diacetic acid{}17a-Ethynylestr-4-ene-3b,17b-diol acetate{}17a-Ethynylestr-4-ene-3b,17b-diol acetic acid{}17alpha-Ethynylestr-4-ene-3beta,17beta-diol acetic acid{}17Α-ethynylestr-4-ene-3β,17β-diol acetate{}17Α-ethynylestr-4-ene-3β,17β-diol acetic acid{}19-Nor-17a-pregn-4-en-20-yne-3b,17-diol diacetate{}19-Nor-17a-pregn-4-en-20-yne-3b,17-diol diacetic acid{}19-Nor-17alpha-pregn-4-en-20-yne-3beta,17-diol diacetic acid{}19-Nor-17α-pregn-4-en-20-yne-3β,17-diol diacetate{}19-Nor-17α-pregn-4-en-20-yne-3β,17-diol diacetic acid{}3b, 17b-Diacetoxy-17a-ethynyl-4-oestrene{}3Β, 17β-diacetoxy-17α-ethynyl-4-oestrene{}3b,17b-Diacetoxy-19-nor-17a-pregn-4-en-20-yne{}3Β,17β-diacetoxy-19-nor-17α-pregn-4-en-20-yne{}Ethynodiol diacetic acid{}Ethinodiol diacetate{}Ethynodiol{}Etynodiol{}Ethyndiol diacetate{}Diacetate, ethyndiol{}Ethynodiol diacetate, (17 alpha)-isomer{}Femulen{}Continuin{}(3 beta, 17 alpha)-19-Norpregn-4-en-20-yne-3,17 diol diacetate{}Diacetate, ethynodiol