| 23216-52-6 | 5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)[4-(dimethylamino)phenyl]methyl]-3-methylsalicylic acid | C25H23 N O6 |
| 23216-66-2 | Pyridinium 3-[5-chloro-2-[2-[5-chloro-3-(3-sulfonatopropyl)benzothiazolin-2-ylidenemethyl]-1-butneyl] -3-benzothiazolio] propanesulfonate |