| abstract |
A compound of formula: n n(wherein X, R 1 , R 3 , R 4 , and R 5 are disclosed herein) or a pharmaceutically acceptable salt thereof (a “Thiadiazolylpiperazine Compound”), pharmaceutical compositions comprising a Thiadiazolylpiperazine Compound, and methods for treating or preventing, e.g., pain, depression and anxiety, in a patient comprising administering to a patient in need thereof an effective amount of a Thiadiazolylpiperazine Compound are disclosed. |