InChI=1/C19H19N3O4S/c1-12(27-17-6-4-16(5-7-17)22(25)26)19(24)20-15-3-8-18-14(11-15)9-10-21(18)13(2)23/h3-8,11-12H,9-10H2,1-2H3,(H,20,24)/t12-/m1/s1/f/h20H C455369C95A2F2E8