Pirlimycin

Chemical Name: (2S,4R)-N-((1S,2S)-2-chloro-1-((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(methylthio)tetrahydro-2H-pyran-2-yl)propyl)-4-ethylpiperidine-2-carboxamide

Synonym: Oxymetazoline BP Impurity E