InChI=1/C14H20N2O4S2/c15-21(17,18)14-6-5-11-7-8-16(10-12(11)9-14)22(19,20)13-3-1-2-4-13/h5-6,9,13H,1-4,7-8,10H2,(H2,15,17,18)/f/h15H2 619C7D273090B21D