InChI=1/C17H20N2O4S/c1-11-5-6-13(10-12(11)2)14-4-3-9-19(14)17(20)15-7-8-16(23-15)24(18,21)22/h5-8,10,14H,3-4,9H2,1-2H3,(H2,18,21,22)/t14-/m1/s1/f/h18H2 4F36C8EDF3EA6E42