Synonyms: (R)-Duloxetine Hydrochloride, (R)-N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propan-1-amine Hydrochloride, Duloxetine Hydrochloride Imp. A (EP) as Hydrochloride, (3R)-N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propan-1-amine Hydrochloride, Duloxetine Hydrochloride Imp. A (EP), Duloxetine Imp. A (EP), Duloxetine USP Related Compound A, Duloxetine USP RC A, Duloxetine Related Compound A as Hydrochloride, Duloxetine Hydrochloride Impurity A as Hydrochloride, Duloxetine Impurity A as Hydrochloride