123441-03-2 3-((1S)-1-(Dimethylamino)ethyl)phenyl ethylmethylcarbamate Carbamic acid, ethylmethyl-, 3-((1S)-1-(dimethylamino)ethyl)phenyl ester Carbamic acid, ethylmethyl-, 3-(1-(dimethylamino)ethyl)phenyl ester, (S)- ENA 713 free base Exelon Rivastigmine Rivastigmine [USAN:INN] SDZ 212-713