Patent ID: 7994351

Claim:
A compound selected from the group consisting of 9α-hydroxy-5β-androstan-3,17-dione (1.1); 5β-androst-9(11)-en-3,17-dione (1.2); (Z)-3α-hydroxy-5β-pregna-9(11),17(20)-diene (1.5); (Z)-3α-acetoxy-5β-pregna-9(11),17(20)-diene (1.6); (E)-methyl 3α-acetoxy-5β-chol-9(11), 16, 22-trien-24-oate (1.7a); and methyl 3α-acetoxy-5β-chol-9(11), 16-dien-24-oate (1.7b).