Patent ID: 8314234

Claim:
A compound of Formula (I): and a salt thereof, wherein X is NR 1 ; Y is O or NH; R 1 is hydrogen, t-butyl, C 1-6 alkyl-carbonyl or C 3-6 cycloalkyl; R 2 is C 1-6 alkyl, C 3-6 cycloalkyl, C 3-6 cycloalkyl-C 1-6 alkyl, hydroxy-C 1-6 alkyl, phenyl, benzyl, indazolyl, indolyl, benzothiazolyl or pyridinyl; wherein the phenyl moiety of R 2 is optionally substituted with one substituent selected from SO 2 NH 2 , SO 2 NH—C 1-6 alkyl-OH or trihalomethyl; and, R 3 is phenyl, indazolyl, indolyl or benzothiazolyl, wherein the phenyl moiety of R 3 is optionally substituted with one substituent selected from trihalomethyl, piperazinyl, SO 2 NH 2 , SO 2 NH—C 1-6 alkyl-OH or SO 2 NH—C 1-6 alkyl-morpholinyl, except when R 1 is hydrogen, either R 2 or R 3 is substituted with one substituent selected from SO 2 NH 2 , SO 2 NH—C 1-6 alkyl-OH or trihalomethyl .