CAS No:N/A||Chemical Formula:C24H32O3||Chemical Formula:13-ethyl-17-hydroxy-2α-(1-hydroxy-1-methylethyl)-18,19-dinor-17α-pregna-4,15-dien-20-yn-3-one (2-isoprop……
CAS No:1421283-59-1||Chemical Formula:C22H26O2||Chemical Formula:13-ethyl-3-methoxy-18,19-dinor-17α-pregna-1,3,5(10),15-tetraen-20-yn-17-o1 (A-aromatic-gestoden……
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