InChI=1/C12H20N2O4S/c1-11(2)8-4-5-12(11,9(15)6-8)7-19(16,17)14-10(13)18-3/h8H,4-7H2,1-3H3,(H2,13,14)/t8-,12-/m0/s1/f/h13H2 CE38903E2044D55C