InChI=1/C18H20N4O5S2/c1-3-12(2)21-29(26,27)14-10-8-13(9-11-14)19-18(28)20-17(23)15-6-4-5-7-16(15)22(24)25/h4-12,21H,3H2,1-2H3,(H2,19,20,23,28)/t12-/m0/s1/f/h19-20H 617110688C825849