InChI=1/C14H14N2O4S/c1-7-10(13(17)18-2)11(16-14(21)15-7)8-4-3-5-9-12(8)20-6-19-9/h3-5,11H,6H2,1-2H3,(H2,15,16,21)/t11-/m0/s1/f/h15-16H	D1516668BCE964B3