| Type | Program | Version | Descriptor |
| SMILES | ACDLabs | 10.04 | O=C(O)c2c(oc(c1ccccc1)c2C(=O)O)c3ccccc3 |
| SMILES_CANONICAL | CACTVS | 3.341 | OC(=O)c1c(oc(c2ccccc2)c1C(O)=O)c3ccccc3 |
| SMILES | CACTVS | 3.341 | OC(=O)c1c(oc(c2ccccc2)c1C(O)=O)c3ccccc3 |
| SMILES_CANONICAL | OpenEye OEToolkits | 1.5.0 | c1ccc(cc1)c2c(c(c(o2)c3ccccc3)C(=O)O)C(=O)O |
| SMILES | OpenEye OEToolkits | 1.5.0 | c1ccc(cc1)c2c(c(c(o2)c3ccccc3)C(=O)O)C(=O)O |
| InChI | InChI | 1.03 | InChI=1S/C18H12O5/c19-17(20)13-14(18(21)22)16(12-9-5-2-6-10-12)23-15(13)11-7-3-1-4-8-11/h1-10H,(H,19,20)(H,21,22) |
| InChIKey | InChI | 1.03 | QPKYPOMZPFDBEZ-UHFFFAOYSA-N |
