Molecular Formula: C15 H25 N2 O2 . Cl Molecular Weight (g/mol): 300.82 Synonym: (S)-1-(3-{[Ethyl(methyl)carbamoyl]oxy}phenyl)-N,N,N-trimethylethanaminium chloride,Rivastigmine Related Compound E IUPAC Name: [(1S)-1-[3-[ethyl(methyl)carbamoyl]oxyphenyl]ethyl]-trimethylazanium;chloride SMILES: [Cl-].CCN(C)C(=O)Oc1cccc(c1)[C@H](C)[N+](C)(C)C