The invention is directed to compounds of Formulae I, II and III:
wherein A, R
1
, R
2
, R
3
, R
4
, X, Y 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.
The invention is directed to compounds of Formula II:
wherein A, R
1
, R
2
, R
3
, R
4
, X, Y 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.