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