InChI=1/C16H18N2O4S/c17-13(19)12-10-6-3-7-11(10)23-15(12)18-14(20)8-4-1-2-5-9(8)16(21)22/h1-2,8-9H,3-7H2,(H2,17,19)(H,18,20)(H,21,22)/p-1/t8-,9-/m1/s1/fC16H17N2O4S/h18H,17H2/q-1 A73BD67D3A176F5E