"Ethynodiol Diacetate"@en . "Ethynodiol Diacetate"@en . . . "(3 beta, 17 alpha)-19-Norpregn-4-en-20-yne-3,17 diol Diacetate"@en . . "D005040" . . "Ethyndiol Diacetate"@en . "C0015117" . . "19-Norpregn-4-en-20-yne-3,17-diol, diacetate, (3beta,17alpha)-"@en . .