InChI=1/C12H16N2O6S/c15-12-4-3-10(6-11(12)14(16)17)21(18,19)13-7-9-2-1-5-20-8-9/h3-4,6,9,13,15H,1-2,5,7-8H2/p-1/t9-/m1/s1/fC12H15N2O6S/h15h/q-1 E0E8CEE69AF29864