Aminoquinoline derivatives, preparation method thereof and pharmaceutical composition comprising the same

An aminoquinoline compound represented by Formula 1 below, or a pharmaceutically acceptable salt thereof:

• wherein
• R1 is NH2 or NHCOR4;
• R2 is NHCONHR5 or NHCOR5;
• R3 is H or C1-C6 alkyl;
• R4 is C1-C6 alkyl or C6-C10 aryl;
• R5 is C6-C10 aryl or C3-C6 heteroaryl which is unsubstituted or substituted with one or more substituents selected from the group consisting of C1-C6 alkyl;
• one or more halogen atoms selected from the group consisting of fluorine, chlorine, bromine and iodine;
• C1-C6 alkyl substituted with one or more halogen atoms selected from the group consisting of fluorine, chlorine, bromine and iodine;
• nitro;
• substituted or unsubstituted piperidinyl;
• substituted or unsubstituted imidazolyl;
• substituted or unsubstituted isoxazolyl;
• and substituted or unsubstituted morpholinyl, wherein the substituent on the piperidinyl, imidazolyl, isoxazolyl or morpholinyl is hydroxyl or C1-C6 alkyl.