| abstract |
(57) [Summary] (Modified) [PROBLEMS] In local and systemic treatment of humans and livestock, it can be used mainly for disorders in the field of cell differentiation and proliferation, and also skin aging, viral Disclosed is a novel biaromatic compound having an excellent effect on diseases and ophthalmological disorders. A compound of the chemical formula (I) or a salt thereof is used. [In the formula, R 1 is —CH 3 , —OCH 3 , —COOH, — CH 2 OH or the like; R 2 , R 3 represents H, —CH 3 or the like, or forms a 5-membered to 6-membered ring with an adjacent aromatic ring; R 4 represents H, Cl, —CH 3 , — Represents OCH 3, etc .; Ar represents 1,4-phenylene, pyrididinylene, etc .; X, Y represents H, CH 3, etc. or in combination = N-O - (CH 2) n -R indicates 10 or the like, the n here 2-20 And R 10 is —OH, —COOH, etc.] |