The invention relates to compounds of formula (I), wherein Z, R
1-8
, n, A
1
, X
1
and X
2
have the meaning as cited in the description and the claims. Said compounds are useful as DPP-IV inhibitors. The invention also relates to the preparation of such compounds as well as the production and use thereof as medicament.
The invention relates to compounds of formula (I), wherein Z, R1-8, n, A1, X1 and X2 have the meaning as cited in the description and the claims. Said compounds are useful as DPP-IV inhibitors. The invention also relates to the preparation of such compounds as well as the production and use thereof as medicament.