2-[carboxymethyl-[[2-hydroxy-5-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1λ<sup>6</sup>-benzoxathiol-3-yl]-3-methylphenyl]methyl]amino]acetic acid, Semi-Xylenol-Orange, 2,2'-({2-hydroxy-5-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxido-3h-2,1-benzoxathiol-3-yl]-3-me
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