InChI=1/C17H19N3O3S/c1-9-6-7-13-12(8-9)20(5)16(22)17(4,23-13)15(21)18-14-10(2)19-24-11(14)3/h6-8H,1-5H3,(H,18,21)/t17-/m0/s1/f/h18H EE26FA99DE89CE6C