Nome Químico: 2-Hydroxy-5-[2-[4-(2-iminopyridin-1(2H)-yl)phenyl]diazenyl]benzoic acid
Sorrisos: O=C(O)C1=CC(/N=N/C2=CC=C(N3C=CC=CC3=N)C=C2)=CC=C1O
Inchi: InChI=1S/C29H22N8O7S2/c38-28-24(29(39)40)17-21(34-32-19-7-11-22(12-8-19)45(41,42)36-26-5-1-3-15-30-26)18-25(28)35-33-20-9-13-23(14-10-20)46(43,44)37-27-6-2-4-16-31-27/h1-18,38H,(H,30,36)(H,31,37)(H,39,40)/b34-32+,35-33+