1,3-benzenediol, 5-[(E)-2-[2-(dibutylamino)-4-methyl-5-thiazolyl]ethenyl]- 5-{(E)-2-[2-(dibutylamino)-4-methyl-1,3-thiazol-5-yl]vinyl}benzene-1,3-diol InChI=1/C20H28N2O2S/c1-4-6-10-22(11-7-5-2)20-21-15(3)19(25-20)9-8-16-12-17(23)14-18(24)13-16/h8-9,12-14,23-24H,4-7,10-11H2,1-3H3/b9-8