| CPC C07D 213/53 (2013.01) [C07D 401/12 (2013.01); C07D 405/12 (2013.01); C07D 409/12 (2013.01)] | 19 Claims |
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1. 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.
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