Patent ID: 11919858
Assignee: CALGENT BIOTECHNOLOGY CO., LTD.
Field: Pharmaceuticals (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 1:
2. The method of claim 1, wherein m is 0; R1 is halogen; n is any integer of 1-4; R3 is H; X is C(O); R4 is H; and R5 is OH, C3-8cycloalkyl, phenyl unsubstituted or substituted with one to three same or different substituents selected from OH, CN, halogen, NH2 or C1-4alkylpiperazinyl, C1-6alkylpiperazinyl, C1-6alkylpyridinyl, C1-6alkylpyrrolidinyl, pyridinyl, pyrimidinyl, pyrazinyl. piperazinyl, pyrrolidinyl, thiazolyl, benzimidazolyl, pyrazolyl, indazolyl, quinolinyl, indolyl, azaindolyl, azaindazolyl, deazapurinyl, indanyl, morpholinoyl or C1-4alkylmorpholinoyl, each of which is unsubstituted or substituted with one, two or three groups selected from OH, CN, halogen or NH2; or a tautomer, enantiomer, stereoisomer thereof, or a solvate or a pharmaceutically acceptable salt thereof.