Duloxetine IMpurity HBr;4-[3-(Methylamino)-1-(2-thienyl)propyl]-;4-[3-(Methylamino)-1-(2-thienyl)propyl]-1-naphthalenol Hydrobromide (Duloxetine Impurity);Duloxetine EP Impurity C HBr;(+/-)-N-methyl-3-(2-thienyl)-3-(4-hydroxy-naphthyl)-propylamine hydrogenbromide;4-(3-(methylamino)-1-(thiophen-2-yl)propyl)naphthalen-1-ol hydrobromide salt;4-[3-(methylamino)-1-thiophen-2-ylpropyl]naphthalen-1-ol,hydrobromide;Duloxetine impurity 3/Duloxetine EP Impurity C HBr/4-(3-(methylamino)-1-(thiophen-2-yl)propyl)naphthalen-1-ol hydrobromide salt