Thymolsulfonphthalein-3μ,3-bis(methylaminoacetic acid)

3,3-Bis[5-isopropyl-3-(carboxymethylaminomethyl)-4-hydroxy-2-methylphenyl]-3H-2,1-benzoxathiole 1,1-dioxide

3,3-Bis[3-[(carboxymethylamino)methyl]-4-hydroxy-5-isopropyl-2-methylphenyl]-3H-2,1-benzoxathiole 1,1-dioxide

N,N'-[3H-2,1-benzoxathiol-3-ylidenebis[[6-hydroxy-5-isopropyl-2-methylphen-3,1-ylene]methylene]]bisglycine S,S-dioxide

2-[[5-[3-[3-[(carboxymethylamino)methyl]-4-hydroxy-5-isopropyl-2-methyl-phenyl]-1,1-diketo-benzo[c]oxathiol-3-yl]-2-hydroxy-3-isopropyl-6-methyl-benzyl]amino]acetic acid

2-[[5-[3-[3-[(carboxymethylamino)methyl]-4-hydroxy-2-methyl-5-propan-2-ylphenyl]-1,1-dioxobenzo[c]oxathiol-3-yl]-2-hydroxy-6-methyl-3-propan-2-ylphenyl]methylamino]acetic acid