Benzamide compound and preparation method, use, and pharmaceutical composition thereof

A compound represented by Formula (I), or a stereoisomer, a geometric isomer, a tautomer or a pharmaceutically acceptable salt thereof:

• wherein,
• R1 is selected from hydrogen, cyano, difluoromethyl, trifluoromethyl, halogen, C1-3 alkyl, C1-3 alkoxy;
• R2 is selected from 6- to 10-membered aryl or 5- to 10-membered heteroaryl;
• wherein the 6- to 10-membered aryl or 5- to 10-membered heteroaryl is optionally substituted by (Ra)m;
• or the 6- to 10-membered aryl or 5- to 10-membered heteroaryl is phenyl fused to 4- to 6-membered cycloalkene or 4- to 6-membered heterocycloalkene or 5- to 6-membered heteroaryl fused to the same;
• each Ra is independently selected from the following groups:
• cyano, difluoromethyl, trifluoromethyl, halogen, C1-3 alkyl, C3-7 cycloalkyl, C1-3 alkoxy;
• m is 0, 1, 2, 3, 4 or 5;
• R3, R4, R5, R6 are each independently selected from hydrogen, cyano, difluoromethyl, trifluoromethyl, halogen, C1-3 alkyl, C1-3 alkoxy.