| Label | Id | |
|---|---|---|
| 4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)diphenol | http://purl.obolibrary.org/obo/CHEBI_31991 | |
| PSP | http://purl.obolibrary.org/obo/CHEBI_31991 | |
| Phenolsulfonphthalein | http://purl.obolibrary.org/obo/CHEBI_31991 | |
| 3,3-bis(p-hydroxyphenyl)-3H-2,1-benzoxathiole 1,1-dioxide | http://purl.obolibrary.org/obo/CHEBI_31991 | |
| 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bisphenol S,S-dioxide | http://purl.obolibrary.org/obo/CHEBI_31991 | |
| Phenol red | http://purl.obolibrary.org/obo/CHEBI_31991 | |
| phenol red | http://purl.obolibrary.org/obo/CHEBI_31991 | |
| alpha-hydroxy-alpha,alpha-bis(p-hydroxyphenyl)-o-toluenesulfonic acid gamma-sultone | http://purl.obolibrary.org/obo/CHEBI_31991 |