InChI=1S/C14H17N3O9S/c1-3-16(4-2)14(20)9(7-15)13(26-27(23,24)25)8-5-10(17(21)22)12(19)11(18)6-8/h5-6,9,13,18-19H,3-4H2,1-2H3,(H,23,24,25)