| Label | Id | |
|---|---|---|
| Methyl violet 2B free base | http://purl.obolibrary.org/obo/CHEBI_90110 | |
| 4,4'-[(4-iminocyclohexa-2,5-dien-1-ylidene)methylene]bis(N,N-dimethylaniline) | http://purl.obolibrary.org/obo/CHEBI_90110 | |
| N,N,N',N'-Tetramethylpararosaniline | http://purl.obolibrary.org/obo/CHEBI_90110 |