(3S)-N-methyl-3-naphthalen-1-yloxy-3-thiophen-3-ylpropan-1-amine; (3S)-N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-3-yl)propan-1-amine; 3-Thiophenepropanamine, N-methyl-γ-(1-naphthalenyloxy)-, (γS)-; (γS)-N-Methyl-γ-(1-naphthalenyloxy)-3-thiophenepropanamine; (3S)-N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-3-yl)propan-1-amine; Duloxetine Impurity F (IP); (S)-N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-3-yl)propan-1-amine; Duloxetine Related Compound F (USP)