N-Methyl Duloxetine hydrochloride is an analgesic. N-Methyl Duloxetine (hydrochloride) elicits both tonic and use-dependent block of neuronal Na+ channels[1].
References
[1] Wang CF, et al. R-Duloxetine and N-Methyl Duloxetine as Novel Analgesics Against ExperimentalPostincisional Pain. Anesth Analg. 2016 Mar;122(3):719-29. DOI:10.1213/ANE.0000000000001086