| Label | Id | |
|---|---|---|
| 1,3-Dihydroxy-4,4,5,5-tetramethyl-2-(4-carboxyphenyl)tetrahydroimidazole | http://purl.obolibrary.org/obo/CHEBI_90702 | |
| [2-(4-carboxyphenyl)-4,4,5,5-tetramethyl-3-oxo-4,5-dihydro-1H-3lambda(5)-imidazol-1-yl]oxidanyl | http://purl.obolibrary.org/obo/CHEBI_90702 | |
| carboxy-PTIO | http://purl.obolibrary.org/obo/CHEBI_90702 | |
| 2-(4-Carboxyphenyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide | http://purl.obolibrary.org/obo/CHEBI_90702 |