The present invention relates to the use of a 2-cyanopyrimidine compound of the formula
wherein
R
1
, R
2
, R
3
and X are as defined in the specification and in the claims, in free form or in salt form, and, where possible, in tautomeric form, as an inhibitor of the activity of cathepsin S.
本发明涉及使用式中R1、R2、R3和X如规范和权利要求中定义的2-
氰基嘧啶化合物的自由形式或盐形式及在可能的情况下互变异构体形式,作为猫hepsin S活性的
抑制剂。