InChI=1/C20H17N3O3S/c1-26-16-9-5-15(6-10-16)20-19(18-4-3-13-21-23(18)22-20)14-7-11-17(12-8-14)27(2,24)25/h3-13H,1-2H3 23E905C1ED0DFC94