InChI=1/C18H22N2O4S/c1-9(2)15(25)16(21)19-12-7-6-10-4-3-5-11-8-13(18(23)24)20(14(10)11)17(12)22/h3-5,9,12-13,15,25H,6-8H2,1-2H3,(H,19,21)(H,23,24)/p-1/t12-,13-,15-/m0/s1/fC18H21N2O4S/h19H/q-1 B567BF19D3B1DF8A