InChI=1/C23H20N4O4S/c1-26-21-10-9-19(12-20(21)22(23(26)28)16(13-24)14-25)32(29,30)27-11-5-6-17(27)15-31-18-7-3-2-4-8-18/h2-4,7-10,12,17H,5-6,11,15H2,1H3/t17-/m0/s1 4A10442B4BD0AF94