InChI=1/C16H22N2O4S/c1-2-17-16(21)18-14(19)10-22-15(20)13-9-11-7-5-3-4-6-8-12(11)23-13/h9H,2-8,10H2,1H3,(H2,17,18,19,21)/f/h17-18H 67E8FFC78865EE1C