InChI=1/C11H18N2O4S/c12-10(14)9-3-1-2-5-13(9)11(15)8-4-6-18(16,17)7-8/h8-9H,1-7H2,(H2,12,14)/t8-,9+/m1/s1/f/h12H2 76CA31523E55297B