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