InChI=1/C14H20N2O4S/c1-10(17)16-12-8-7-11(21-12)14(20)15-9-5-3-2-4-6-13(18)19/h7-8H,2-6,9H2,1H3,(H,15,20)(H,16,17)(H,18,19)/p-1/fC14H19N2O4S/h15-16H/q-1 50FA1F051CB8EC07