The present disclosure provides a
tyrosine kinase inhibitor having the general formula (I).R1 is C1-C6
alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, phenyl, mono-substituted phenyl, poly-substituted phenyl,
trifluoromethyl, 2,2,2-trifluoroethyl, CH3O(CH2)n-,R being methyl, ethyl,
isopropyl,
trifluoromethyl, 2,2,2-trifluoroethyl, cyclopropyl, acetyl or acryloyl, and n being an integer from 1 to 6. R2 and R3 are respectively
halogen,
hydrogen, amino, substituted amino, cyano, hydroxyl,
sulfonic acid group, sulfonamide,
trifluoromethyl, 2,2,2-trifluoroethyl, methyl, methoxy or ethynyl. R2 and R3 are in an ortho, para or meta position. Y is NH, O, S or Z—N, where Z is methyl, ethyl,
isopropyl, trifluoromethyl, 2,2,2-trifluoroethyl or cyclopropyl. X is Cl, Br or F.