4-[[4-carboxy-2-[[4-carboxy-2-[[4-carboxy-2-[[4-carboxy-1-hydroxy-2-[[1-hydroxy-2-[[1-hydroxy-2-[[hydroxy-[1-[2-[[hydroxy-(5-hydroxy-3,4-dihydro-2H-pyrrol-2-yl)methylidene]amino]acetyl]pyrrolidin-2-yl]methylidene]amino]-3-(1H-indol-3-yl)propylidene]amino]-4-methylpentylidene]amino]butylidene]amino]-1-hydroxybutylidene]amino]-1-hydroxybutylidene]amino]-1-hydroxybutylidene]amino]-5-[1-[1-[2-[1-[1-[3-carboxy-1-hydroxy-1-(1-hydroxy-1-imino-3-phenylpropan-2-yl)iminopropan-2-yl]imino-1-hydroxy-4-methylsulfanylbutan-2-yl]imino-1-hydroxy-3-(1H-indol-3-yl)propan-2-yl]imino-2-hydroxyethyl]imino-1-hydroxy-3-(4-hydroxyphenyl)propan-2-yl]imino-1-hydroxypropan-2-yl]imino-5-hydroxypentanoic acid