摘要 |
The present invention provides a compound of the formula (I): wherein X = CH2 or S or a pharmaceutically acceptable salt thereof. 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. |