InChI=1/C16H18N2O4S/c1-8(23)14(19)17-11-6-5-9-3-2-4-10-7-12(16(21)22)18(13(9)10)15(11)20/h2-4,8,11-12,23H,5-7H2,1H3,(H,17,19)(H,21,22)/p-1/t8-,11-,12-/m0/s1/fC16H17N2O4S/h17H/q-1 CDD1BEA903EBF586