Patent ID: 7153844

Claim:
A compound of formula I wherein X may be —CH 2 —O—CH 2 — or —CH 2 —, wherein n is 1, 2, 3, 4 or 5 when X is —CH 2 —O—CH 2 —, wherein n is 2, 3, 4, 5, 6, 7, 8, 9 or 10 when X is —CH 2 —, wherein o is 1, 2 or 3, wherein Y is O or 17β-OH, where the dotted line represents the presence or absence of a second chemical bond, wherein R 1 is selected from the group consisting of H, straight alkyl groups of 1 to 5 carbon atoms, and branched alkyl groups of 3 to 5 carbon atoms, wherein R 2 is selected for the group consisting of H, straight alkyl groups of 1 to 4 carbon atoms, branched alkyl groups of 3 or 4 carbon atoms, F, Cl, Br, I, —CF 3 , —NO 2 , —OR 1 , where R 1 is as defined hereinabove, —COR 1 , where R 1 is as defined hereinabove, and —CH 2 OH.