InChI=1/C21H16N4O6S2/c1-33(27,28)21-24-32-20-23-19(26)15(18(22)25(20)21)8-12-2-5-14(6-3-12)29-10-13-4-7-16-17(9-13)31-11-30-16/h2-9,22H,10-11H2,1H3/b15-8-,22-18? 6E7CC90892E7552D