InChI=1S/C15H19N2O6S/c1-9-15-12(11-4-3-10(18)7-13(11)16-15)5-6-17(9,2)14(19)8-23-24(20,21)22/h3-4,7,9,16,18H,5-6,8H2,1-2H3,(H,20,21,22)