InChI=1/C17H19NO4S/c1-12(2)16(17(19)20)18-23(21,22)15-10-8-14(9-11-15)13-6-4-3-5-7-13/h3-12,16,18H,1-2H3,(H,19,20)/p-1/t16-/m0/s1/fC17H18NO4S/q-1 5481F9B346E26AEF