InChI=1/C11H16N2O6S/c12-20(17,18)7-3-1-6(2-4-7)13-11-10(16)9(15)8(14)5-19-11/h1-4,8-11,13-16H,5H2,(H2,12,17,18)/t8-,9+,10-,11-/m1/s1/f/h12H2 6E6E146669B9E039