Norethindrone Diacetate

(17α)-19-Norpregna-3,5-dien-20-yne-3,17-diol 3,17-Diacetate; (17α)-19-Norpregna-3,5-dien-20-yne-3,17-diol Diacetate; 17-Ethynyl-19-norandrosta-3,5-diene-3,17β-diol Diacetate; 19-Nor-17α-pregna-3,5-dien-20-yne-3,17β-diol Diacetate; SC 6091