InChI=1/C20H20N4O4S/c1-12-3-8-15-16(9-12)29-19-18(15)20(26)23(11-21-19)10-17(25)22(2)13-4-6-14(7-5-13)24(27)28/h4-7,11-12H,3,8-10H2,1-2H3/t12-/m0/s1 3CCD1F13217A1C7F