17ALPHA-(1-PROPYN-1-YL)-17ALPHA-HYDROXY-18-METHYL-4,15-ESTRADIEN-3-ONE
17ALPHA-(1-PROPYN-1-YL)-17ALPHA-HYDROXY-18-METHYL-4,15-ESTRADIEN-3-ONE ??
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17ALPHA-(1-PROPYN-1-YL)-17ALPHA-HYDROXY-18-METHYL-4,15-ESTRADIEN-3-ONE ?? ?? ? ???
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17ALPHA-(1-PROPYN-1-YL)-17ALPHA-HYDROXY-18-METHYL-4,15-ESTRADIEN-3-ONE ?? ??
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17ALPHA-(1-PROPYN-1-YL)-17ALPHA-HYDROXY-18-METHYL-4,15-ESTRADIEN-3-ONE ?? ??: