InChI=1/C18H17N3O4S/c19-26(24,25)13-7-8-17-16(10-13)14-5-2-6-15(14)18(20-17)11-3-1-4-12(9-11)21(22)23/h1-5,7-10,14-15,18,20H,6H2,(H2,19,24,25)/t14-,15-,18+/m0/s1/f/h19H2 901B4CAB62F523C3