InChI=1/C18H22N2O4S/c1-3-11-8(2)25-17(14(11)15(19)21)20-16(22)12-9-4-6-10(7-5-9)13(12)18(23)24/h4,6,9-10,12-13H,3,5,7H2,1-2H3,(H2,19,21)(H,20,22)(H,23,24)/p-1/t9-,10+,12-,13+/m1/s1/fC18H21N2O4S/h20H,19H2/q-1 AF8C1B5FC5D3ECAF