InChI=1S/C19H17N5O8S3/c1-31-23-11(9-7-35-19(20)21-9)14(25)22-12-15(26)24(30)13(17(27)28)8(5-33-16(12)24)6-34-18(29)10-3-2-4-32-10/h2-4,7,12,16H,5-6H2,1H3,(H2,20,21)(H,22,25)(H,27,28)/b23-11-