19-Nor-17a-pregna-3,5-dien-20-yne-3,17-diol,diacetate (6CI,7CI,8CI); 17-Ethynyl-19-norandrosta-3,5-diene-3,17b-diol diacetate; 19-Nor-17a-pregna-3,5-dien-20-yne-3,17b-diol diacetate; SC 6091
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