| abstract |
The present invention provides a compound of the formula:n nwherein X = CH 2 or S or an pharmaceutical acceptable salt thereof. n Such compounds and their corresponding pharmaceutically acceptable acid addition salt forms, are useful in treating conditions mediated by DPIV or DPIV-like enzymes, such as arthritis, obesity, immune and autoimmune disorders, allograft transplantation, cancer, neuronal disorders and dermal diseases. |