Thymolblau Kresolrot 4,4'-(3H-2,1-Benzoxathiol-3-yliden)bis[2,5-dimethylphenol]S,S-dioxid Thymol N-Benzylaminodiessigsure Xylenolorange Phenolrot m-Kresolpurpur 4,4'-Methylendi-2,6-xylenol N,N'-[3H-2,1-benzoxathiol-3-ylidenbis[(6-hydroxy-5-methylphen-3,1-ylen)methylen]]bisglycin-S,S-dioxid 2,3,4,6-Tetramethylphenol Dinatrium-N-(carboxylatomethyl)-N-[(2-hydroxyphenyl)methyl]glycinat