InChI=1/C13H14N2O5S2/c1-7-8(2)21-13(14-7)15-22(18,19)9-4-5-11(16)10(6-9)12(17)20-3/h4-6,16H,1-3H3,(H,14,15)/f/h14H BFAB52881D93368E