Vancomycin Impurity 1

Chemical Name: (3S,6R,7R,22R,23S,26S,30aSa,36R,38aR)-3-(2-amino-2-oxoethyl)-44-[[2-O-(3-amino-2,3,6-tridoxy-3-C-methyl-a-L-lyxo-hexopyranosyl)-B-D-glucopyranosyl]oxy]-10,19-dichloro-7,22,28,30,32-pentahydroxy-6-[[(2R)-4-methyl-2-(methylamino)butyryl]amino]-2,5,24,38,39-pentoxo-2,3,4,5,6,7,23,24,25,26,36,37,38,38a-tetradecahydro-22H-8,11,18,21-dietheno-23,36-(iminomethano)-13,1,6:31,35-dimetheno-1H,13H-[1,6,9]oxadiazacyclohexadecino-[4,5-m][10,2,16]benzoxadiazacyclotetracosine-26-carboxylic acid