Zolmitriptan EP Impurity B

Chemical Name: N,N-Dimethyl-2-[5-[[(4S)-2-oxo-1,3-oxazolidin-4-yl]methyl]-1H-indol-3-yl]ethan-1-amine N-oxide (as per EP) ; (S)-N,N-dimethyl-2-{5-[(2-oxooxazolidin-4-yl)methyl]-1H-indol-3-yl}ethanamine oxide (as per USP)

Synonym: Zolmitriptan USP Related Compound E ; Zolmitriptan N-Oxide;