InChI=1/C16H20N2O4S/c1-11-6-2-4-8-13(11)17-15(19)10-18-16(20)12-7-3-5-9-14(12)23(18,21)22/h3,5,7,9,11,13H,2,4,6,8,10H2,1H3,(H,17,19)/t11-,13-/m0/s1/f/h17H 9BF19D29D5F09E92