(2S,5R)-5-acetoxy-2-amino-6-(4-((S)-2-amino-2-carboxyethyl)-3-((S)-3-amino-3-carboxypropyl)-5-hydroxypyridin-1-ium-1-yl)hexanoate
(2S,5R)-5-acetoxy-2-amino-6-(4-((S)-2-amino-2-carboxyethyl)-3-((S)-3-amino-3-carboxypropyl)-5-hydroxypyridin-1-ium-1-yl)hexanoate