InChI=1/C11H14N2O4S2/c12-19(14,15)10-6-8-5-9(18-11(8)17-10)7-13-1-3-16-4-2-13/h5-6H,1-4,7H2,(H2,12,14,15)/f/h12H2 5CBECE1FE2926577