118373-82-3 Chloroorienticin C Vancomycin, 22-O-(3-amino-2,3,6-trideoxy-3-C-methyl-alpha-L-arabino-hexopyranosyl)-14-O-de(2-O-(3-amino-2,3,6-trideoxy-3-C-methyl-alpha-L-arabino-hexopyranosyl)-beta-D-glucopyranosyl)-