Patent ID: 6914070

Claim:
A method for treating macular edema or macular degeneration comprising administration to a patient in need of such treatment a pharmaceutically effective amount of a compound of structural formula I: or a pharmaceutically acceptable salt, enantiomer, diastereomer or mixture thereof: wherein, R 1 represents hydrogen or C 1-6 alkyl; R 2 , R 3 a and R 3 b independently represent hydrogen, alkylsilyl, C 1-10 alkyl, C 3-10 cycloalkyl, C 4-10 heterocycloalkyl, C 4-10 heteroaryl, NH 2 , or C 6-10 aryl said alkyl, aryl or heteraryl optionally substituted with 1-3 groups of R x ; R x represents C 1-6 alkyl, halogen, CF 3 , C 1-6 alkoxy, NR 1 R 1 , or NO 2 , or NH 2 ; R 4 represents hydrogen, C 1-6 alkoxy, C 1-6 alkyl, CF 3 , or halogen; R 5 represents hydrogen, C 1-6 alkoxy, C 1-6 alkyl, CF 3 , nitro, amino, cyano, C 1-6 alkylamino, or halogen and R6 represents hydrogen, halogen or C 1-6 alkyl.