Patent ID: 7442812

Claim:
A compound according to the formula: wherein G is C═O, CHOH, CF 2 , C(OH)CF 3 , CHCF 3 , C(OH)C 1 -C 6 alkyl, CH—OC 1 -C 6 alkyl, CH—O(CO)C 1 -C 6 alkyl, CHF, CHCN, CHC 2 -C 4 alkenyl, CHC 2 -C 4 alkynyl, CHbenzyl, C═CF 2 ; or 4-(4-hydroxy-phenyl)-2-methylene-1,2,3,3a,4,9b-hexahydro-cyclopenta[c]chromen-8-ol; or a pharmaceutically acceptable salt thereof.