Rivastigmine EP Imp F;(1S)-1-(3-methoxyphenyl)-N,N-dimethylethanamine;(S)-1-(3-methoxyphenyl)-N,N-dimethylethan-1-amine (2R,3R)- 2,3-dihydroxysuccinate;S-(-)-[1-(3-Methoxyphenyl)ethyl]-N,N-diMethylaMine;RivastigMine IMpurity F HCl;Rivastigmine Impurity 6(Rivastigmine EP Impurity F);(alphaS)-3-Methoxy-N,N,alpha-trimethylbenzenemethanamine;(S)-1-(3-Methoxyphenyl)-N,N-dimethylethanamine