Compounds of formula I
in which R
1
, R
2
, R
3
, each X, L, Y, Cy, Lp, D and n have the meanings as set out in the specification, and corresponding compounds in which the unsubstituted or substituted amidine group is replaced with an unsubstituted or substituted aminomethyl group, are useful as serine protease inhibitors.
式I的化合物中,R1、R2、R3、每个X、L、Y、Cy、Lp、D和n的含义如说明书中所述,并且相应的化合物中,未取代或取代的
酰胺基团被未取代或取代的
氨甲基基团所替代,可用作
丝氨酸蛋白酶抑制剂。