InChI=1/C20H17ClN4O4S/c1-24-7-6-11-16(9-24)30-20-17(11)19(26)22-18(23-20)15-5-4-14(29-15)12-8-10(25(27)28)2-3-13(12)21/h2-5,8,18,23H,6-7,9H2,1H3,(H,22,26)/p+1/t18-/m0/s1/fC20H18ClN4O4S/h22,24H/q+1 23585E59E7625304