Patent ID: 8088777

Claim:
A compound of the formula (I): or its pharmaceutically acceptable salt thereof, wherein X is hydrogen, carboxy, hydroxy, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted heterocycle, optionally substituted amino, optionally substituted alkoxy, optionally substituted alkoxycarbonyl, optionally substituted aryloxy, optionally substituted aryloxycarbonyl, optionally substituted alkylthio, optionally substituted arylthio, —S(O)m—R 4 , —C(═O)R 4 , —C(═S)NR 4 R 5 or —C(═O)NR 4 R 5 , Y is a group of the formula: Z is —O—, R 1 is hydrogen, carboxy, hydroxy, nitro, halogen, cyano, mercapto, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted heterocycle, optionally substituted amino, optionally substituted alkoxy, optionally substituted alkoxycarbonyl, optionally substituted aryloxy, optionally substituted aryloxycarbonyl, optionally substituted alkylthio, optionally substituted arylthio, optionally substituted carbamoyl, optionally substituted thiocarbamoyl, optionally substituted acyl or optionally substituted sulfamoyl, R 4 is hydrogen, hydroxy, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted cycloalkyl, optionally substituted cycloalkenyl, optionally substituted aryl, optionally substituted heteroaryl, optionally substituted heterocycle, optionally substituted amino, optionally substituted alkoxy or optionally substituted aryloxy, provided that when X is —S(O)m—R 4 , R 4 is not hydrogen, R 2 , R 3 , R 5 , R 6 and R 7 are each independently hydrogen, hydroxy, optionally substituted alkyl or optionally substituted acyl, m is 1 or 2, n is 0, p is 0 to 6, provided that N-(3,4-dihydro-3-oxo-2H-1,4-benzoxazin-6-yl)-N′-[2-[ethyl(3-methylphenyl)amino]ethyl]-urea, N-[3-(diethylamino)propyl]-N′-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-urea and N,N″-1,6-hexanediylbis[N′-(2,3-dihydro-2-oxo-6-benzoxazolyl)]-urea are excluded.