InChI=1/C18H25NO4S/c1-4-5-6-15-7-9-16(10-8-15)19(11-17(21)22)18(23)13(2)12-24-14(3)20/h7-10,13H,4-6,11-12H2,1-3H3,(H,21,22)/p-1/t13-/m0/s1/fC18H24NO4S/q-1 543F777C58DA7FEF