Dapoxetine Impurity 3 Catalogue D216343 CAS 1202160-36-8 M.W 291.39 M.F C20H21NO Specifications FAQs Dapoxetine (R)-Isomer N-Demethyl ; (R)-N-Methyl-3-(naphthalen-1-yloxy)-1-phenylpropan-1-amine)