| 摘要 |
Compounds which are substituted 2-benzylamino-2-phenyl-acetamide compounds o f formula (I) wherein: n is zero, 1, 2 or 3; X is -O-, -S-, -CH2- or -NH-; each of R, R1, R2 and R3, independently, is hydrogen, C1-C6 alkyl. halogen, hydroxy, C1-C6 alkoxy or trifluoromethyl; each of R4 and R5, independently, is hydrogen, C1-C6 alkyl or C3-C7 cycloalkyl; or pharmaceutically acceptable salts thereof, are useful in treating conditions such as chronic or neuropathic pain.
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