InChI=1/C16H20N4O4S/c1-10-12(20(22)23)9-13(25-10)14(21)18-16(7-5-3-4-6-8-16)15-17-11(2)24-19-15/h9H,3-8H2,1-2H3,(H,18,21)/f/h18H 28A5D30D58220045