| abstract |
A 2-iminopyrrolidine derivative represented by the formula: n n{wherein ring B represents a benzene ring, pyridine ring, etc.; R 101 –R 103 represent hydrogen, halogen, C 1-6 alkyl, etc.; R 5 represents hydrogen, C 1-6 alkyl, C 1-6 alkoxy-C 1-6 alkyl, etc.; R 6 represents hydrogen, C 1-6 alkyl, C 1-6 alkyloxycarbonyl, etc.; Y 1 represents a single bond, —CH 2 —, etc.; Y 2 represents a single bond, —CO—, etc.; and Ar represents hydrogen, a group represented by the formula:n n n[wherein R 10 —R 14 represent hydrogen, C 1-6 alkyl, hydroxyl, C 1-6 alkoxy, etc.; and R 11 and R 12 or R 12 and R 13 may bond together to form a 5- to 8-membered heterocyclic ring], etc.},n nor a salt thereof. |