Synonyms: Vancomycin,22-O-(3-amino-2,3,6-trideoxy-3-C-methyl-a-L-arabino-hexopyranosyl)-56-methyl- (9CI); PA 45052D;22H-8,11:18,21-Dietheno-23,36-(iminomethano)-13,16:31,35-dimetheno-1H,16H-[1,6,9]oxadiazacyclohexadecino[4,5-m][10,2,16]benzoxadiazacyclotetracosine,vancomycin deriv.; Antibiotic PA 45052D;