NEUE 1,2-DIPHENYL-2-PROPEN-1-ON-DERIVATE

摘要

The present invention provides compounds represented by the following formula ÄIÜ or salts thereof which lower intraocular pressure by causing morphological change in trabecular meshwork cells. In the formula, R<1> is H, lower alkyl, hydroxy, lower alkoxy or halogen, R<2>, R<3> and R<4> are H or lower alkyl, and ... is a single bond or a double bond. When R<3> and/or R<4> is hydrogen, the amino can be protected by a protecting group.