16,24-Cyclo-21-norchol-4-en-3-one, 17-acetyl-6-methyl-, (6alpha,16beta,17alpha)-, mixt. with (17alpha)-3-methoxy-19-norpregna-1,3,5(10)-trien-20-yn-17-ol 6-Mcped 6alpha-Methyl-16alpha,17alpha-cyclohexylpregn-4-en-3,20-dione 77209-23-5