InChI=1/C18H17N3O5S/c1-21(2)27(24,25)10-3-4-15-12(7-10)13(17(22)20-15)8-16-11-5-6-26-18(23)14(11)9-19-16/h3-4,7-9,19H,5-6H2,1-2H3,(H,20,22)/b13-8-/f/h20H 281D357011D9005F