InChI=1S/C14H16N2O5S2/c1-7-6-23-12(16-10(7)13(18)19)11(14(20)21)15-9(17)5-8-3-2-4-22-8/h2-4,11-12,16H,5-6H2,1H3,(H,15,17)(H,18,19)(H,20,21)/t11-,12-/m0/s1