InChI=1/C24H18NO4S2/c1-28-20-9-5-10-21-23(20)18-13-12-17(25-31(26,27)22-11-6-14-30-22)15-19(18)24(29-21)16-7-3-2-4-8-16/h2-15,24H,1H3/q-1/t24-/m0/s1 7CFB5CDD5BC44578