InChI=1S/C11H12N2O5S4/c12-21(15,16)10-4-8-9(14)6-13(5-7-2-1-3-19-7)22(17,18)11(8)20-10/h1-4,9,14H,5-6H2,(H2,12,15,16)/t9-/m0/s1