InChI=1/C23H19N3O3S2/c1-30-19-9-4-10-20-21(19)25-23(31-20)26(13-15-6-5-11-24-12-15)22(27)18-14-28-16-7-2-3-8-17(16)29-18/h2-12,18H,13-14H2,1H3/t18-/m1/s1 BCB54FAEFF6B2F44