| abstract |
This invention covers a compound of the formulan nwherein R is hydrogen, lower alkyl; X is hydrogen, halo, trifluoromethyl, lower alkyl or lower alkoxy, Y is lower alkyl orn nwherein Z is hydrogen, halo, methyl, methoxy or trifluoromethyl; and the wavy lines represent the a or p configuration with the proviso that when one wavy line is a the other is β, or a pharmaceutically acceptable, non-toxic salt of a compound of formula I wherein R is hydrogen. |