Compositions and their use in lowering intraocular pressure

摘要

Compounds of formula: (* CHEMICAL STRUCTURE *) (I) where X is -CH2-, -CH(CH3)-, -CHR3-CH2- or -CR3=CH- and R1, R2 and R3, which can be the same or different, are each H or CH3 or a stereoisomer or pharmaceutically acceptable salt thereof, and pharmaceutical compositions containing them, are useful for lowering intraocular pressure in a mammal, e.g. in the treatment of glaucoma.