(1S,2R,19R,22R,34S,37R,40R,52S)-2-[(2-Acetamido-2-deoxy-β-D-glucopyranosyl)oxy]-22-amino-5,15-dichloro-64-{[2-(decanoylamino)-2-deoxy-β-D-glucopyranosyl]oxy}-26,31,44,49-tetrahydroxy-47-(D-manno pyranosyloxy)-21,35,38,54,56,59-hexaoxo-7,13,28-trioxa-20,36,39,53,55,58-hexaazaundecacyclo[38.14.2.2~3,6~.2~14,17~.2~19,34~.1~8,12~.1~23,27~.1~29,33~.1~41,45~.0~10,37~.0~46,51~]hexahexaconta-3,5,8(64 ),9,11,14,16,23(61),24,26,29(60),30,32,41(57),42,44,46,48,50,62,65-henicosaene-52-carboxylic acid