| 摘要 |
Methods of and compositions for lowering intraocular pressure using compounds of the formula <IMAGE> (I) wherein R1 and R2 are each independently selected from the group consisting of hydrogen, lower alkyl, optionally substituted phenyl, and optionally substituted phenyl lower alkyl; or wherein R1 and R2 taken together form an optionally substituted benzo; R3 is hydrogen, alkyl, or optionally substituted phenyl lower alkyl; n is an integer equal to 0, 1 or 2; and the pharmaceutically acceptable acid addition salts thereof, are disclosed.
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