16,24-Cyclo-21-norchola-4,6-dien-3-one, 17-acetyl-6-methyl-, (16beta,17alpha)-, mixt. with (17alpha)-3-methoxy-19-norpregna-1,3,5(10)-trien-20-yn-17-ol 6-Mcpdd 6-Methyl-16alpha,17alpha-cyclohexylpregna-4,6-dien-3,20-dione 77145-92-7