| abstract |
A method of inhibiting bone loss comprising administering to an animal an effective amount of a compound having the formula <IMAGE> (I) wherein: R1 and R2 are, independently, -H, -OH, halo, -OC1-C17 alkyl, -OC3-C6 cycloalkyl, -O(CO)C1-C17 alkyl, -O(CO) aryl, -O(CO)O aryl, or -OSO2-(n-butyl or n-pentyl); R3 is <IMAGE> R4 is -H, methyl, ethyl, propyl, ethenyl or ethynyl; or a pharmaceutically acceptable salt or solvate thereof. |