| Type | Program | Version | Descriptor |
| SMILES | ACDLabs | 12.01 | O=S(=O)(O)c4ccc(/N=N/c2c1ccccc1ccc2O)c3ccccc34 |
| InChI | InChI | 1.03 | InChI=1S/C20H14N2O4S/c23-18-11-9-13-5-1-2-6-14(13)20(18)22-21-17-10-12-19(27(24,25)26)16-8-4-3-7-15(16)17/h1-12,23H,(H,24,25,26)/b22-21+ |
| InChIKey | InChI | 1.03 | JSAKRLDIZOGQTN-QURGRASLSA-N |
| SMILES_CANONICAL | CACTVS | 3.370 | Oc1ccc2ccccc2c1N=Nc3ccc(c4ccccc34)[S](O)(=O)=O |
| SMILES | CACTVS | 3.370 | Oc1ccc2ccccc2c1N=Nc3ccc(c4ccccc34)[S](O)(=O)=O |
| SMILES_CANONICAL | OpenEye OEToolkits | 1.7.6 | c1ccc2c(c1)ccc(c2/N=N/c3ccc(c4c3cccc4)S(=O)(=O)O)O |
| SMILES | OpenEye OEToolkits | 1.7.6 | c1ccc2c(c1)ccc(c2N=Nc3ccc(c4c3cccc4)S(=O)(=O)O)O |
