Patent ID: 7429612

Claim:
An indoline compound represented by the formula (I) wherein R 1 and R 3 are the same or different and each is hydrogen atom, lower alkyl group or lower alkoxy group, R 2 is —NHSO 2 R 6 [R 6 is alkyl group, aryl group or —NHR 7 (R 7 is hydrogen atom, —COR 13 (R 13 is hydrogen atom or lower alkyl group) or lower alkoxycarbonyl group)], —NHCONH 2 or lower alkyl group substituted by —NHSO 2 R 6 [R 6 is alkyl group, aryl group or —NHR 7 (R 7 is hydrogen atom, —COR 13 (R 13 is hydrogen atom or lower alkyl group) or lower alkoxycarbonyl group)], R 4 is alkyl group optionally substituted by hydroxy group, —COR 13 (R 13 is hydrogen atom or lower alkyl group), lower alkenyl group, lower alkoxy lower alkyl group, lower alkylthio lower alkyl group, cycloalkyl group or cycloalkylalkyl group, R 5 is alkyl group, cycloalkyl group or aryl group, R 6 is hydrogen atom, lower alkyl group, lower alkoxy lower alkyl group or lower alkylthio lower alkyl group, or a pharmaceutically acceptable salt thereof.