Chemical Name: 2-Hydroxy-5-[(4-hydroxyphenyl)diazenyl]benzoic acid, (as per EP)
Smiles: OC1=CC=C(/N=N/C2=CC=C(O)C=C2)C=C1C(O)=O
Inchi: InChI=1S/C14H10N2O6/c17-11-5-4-7(6-9(11)14(21)22)15-16-10-3-1-2-8(12(10)18)13(19)20/h1-6,17-18H,(H,19,20)(H,21,22)/b16-15+