Patent ID: 7732617

Claim:
A compound having the formula: where n is an integer of 6 to 13; R 1 is hydrogen, or a ter-butyl-dimethyl-silanyl or acetyl group; R 2 is an imidazolyl group optionally substituted with a methyl, ethyl, propyl, isopropyl, n-butyl or sec-butyl group, or a benzimidazolyl group optionally substituted with a methyl, ethyl, propyl, isopropyl, n-butyl or sec-butyl group, said benzimidazolyl group being further optionally substituted on the aryl ring thereof with a hydroxy, methoxy, methyl, ethyl, propyl, isopropyl, n-butyl or sec-butyl group; and pharmaceutically acceptable salts thereof.