InChI=1S/C16H19N3O4S/c1-13-3-5-15(6-4-13)24(21,22)18-9-2-12-23-16(20)19-14-7-10-17-11-8-14/h3-8,10-11,18H,2,9,12H2,1H3,(H,17,19,20)