2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[1,4-dihydroxy-2-[[1-hydroxy-2-(hydroxymethylideneamino)-4-methylsulfanylbutylidene]amino]-4-iminobutylidene]amino]-1-hydroxy-3-methylbutylidene]amino]-1-hydroxy-3-methylpentylidene]amino]-1,3-dihydroxybutylidene]amino]-1,4-dihydroxy-4-iminobutylidene]amino]-1-hydroxy-4-methylpentylidene]amino]-1-hydroxy-4-methylpentylidene]amino]-1-hydroxypropylidene]amino]-1-hydroxyethylidene]amino]-1-hydroxy-3-methylbutylidene]amino]-1-hydroxy-3-methylbutylidene]amino]-1-hydroxy-3-(1H-imidazol-5-yl)propylidene]amino]-1-hydroxy-3-phenylpropylidene]amino]-1-hydroxy-4-methylpentylidene]amino]-1-hydroxyethylidene]amino]-1-hydroxy-3-(1H-indol-3-yl)propylidene]amino]-1-hydroxy-4-methylpentylidene]amino]-3-methylbutanoic acid