1. 炔诺酮杂质1(17á-3-乙炔基-19-炔-3,5-二烯-20-炔-17-醇)

炔诺酮杂质1(17á-3-乙炔基-19-炔-3,5-二烯-20-炔-17-醇)

Norethindrone Impurity 1 (17á-3-Ethynyl-19-Norpregna-3,5-Dien-20-yn-17-ol)

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