Patent ID: 9718823
Date: 2017-08-01
CPC Classifications: A61K,A61P,C07D

Claim:
1. A compound of Formula (I) or a pharmaceutically acceptable salt or a hydrate thereof, wherein the compound of Formula (I) is: wherein, R1 represents unsubstituted C1˜C6 straight or branched alkyl; or C1˜C6 straight or branched alkyl substituted by methoxyl, C3˜C6-cycloalkyl, hydroxyl or amino; or unsubstituted C3˜C6-cycloalkyl; or C3˜C6-cycloalkyl substituted by carboxylic carbomethoxy or carboxylic; or phenyl substituted by methoxy; unsubstituted morpholinyl; unsubstituted piperazinyl; unsubstituted piperidyl; piperidyl substituted by hydroxyl or acylamino; unsubstituted pyrrolidinyl; R2 is H; R3 represents H, tetrahydropyrane, trifluoroethyl, piperidyl; R4 represents H, unsubstituted C1˜C6 straight alkyl; unsubstituted C3˜C6 cycloalkyl; unsubstituted phenyl, phenyl substituted by carboxylic carbomethoxy, C1˜C6 straight alkoxy, bis-C1˜C6 straight alkoxy, C1˜C6 straight alkyl sulphanyl or halogen atoms; 1,3-benzodioxol; unsubstituted morpholinyl; unsubstituted piperazinyl; piperazinyl substituted by methyl; cyclopentylmethyl; A represents N or O; when A is N, R4 is not equal to H.