InChI=1S/C13H13N3O6S.Na/c1-6(17)22-4-7-5-23-12-9(15-8(18)2-3-14)11(19)16(12)10(7)13(20)21;/h9,12H,2,4-5H2,1H3,(H,15,18)(H,20,21);/q;+1/p-1/t9-,12-;/m1./s1