The invention is directed to compounds of Formulae I:
wherein A, R
1
, R
2
, R
3
, R
4
, X, and W are set forth in the specification, as well as solvates, hydrates, tautomers or pharmaceutically acceptable salts thereof, that inhibit protein tyrosine kinases, especially c-fms kinase.
本发明涉及式I的化合物:其中A、R1、R2、R3、R4、X和W在说明书中列出,以及其溶剂化物、
水合物、互变异构体或药学上可接受的盐,它们抑制
蛋白酪氨酸激酶,特别是c-fms激酶。