Eletriptan Impurity L Catalogue No. - VL990007 CAS No. - 1217641-89-8 Molecular Formula - C22H26N2O3S Molecular Weight - 398.52 IUPAC Name - 3-[[(2R)-1-Methyl-2-pyrrolidinyl]methyl]-5-[2-(phenylsulfonyl)ethyl]-1H-indole N-Oxide Synonyms - Eletriptan N-Oxide