InChI=1/C17H22N2O4S/c1-4-14-15(21)18-17(22)19(10-23-6-5-20)16(14)24-13-8-11(2)7-12(3)9-13/h7-9,20H,4-6,10H2,1-3H3,(H,18,21,22)/f/h18H E2ECA023E46A6CD9