Patent ID: 7235576

Claim:
A pharmaceutically acceptable salt of a compound selected from the group consisting of: N-(5-tert-butyl-2-methoxy phenyl)-N′-(4-(4-methoxy-3-(N-methylcarbamoyl)phenoxy)phenyl)urea, N-(2-methoxy-5-(trifluoromethyl)phenyl)-N′-(4-(2-(N-methylcarbamoyl)-4-pyridyloxy)phenyl)urea, N-(4-chloro-3-(trifluoromethyl)phenyl)-N′-(4-(2-carbamoyl-4-pyridyloxy)phenyl)urea, N-(4-chloro-3-(trifluoromethyl)phenyl)-N′-(4-(2-(N-methylcarbamoyl)-4-pyridyloxy)phenyl)urea; N-(2-methoxy-4-chloro-5-(trifluoromethyl)phenyl)-N′-(3-(2-(N-methylcarbamoyl)-4-pyridyloxy)phenyl)urea and their pharmaceutically acceptable salts.