InChI=1/C14H15N4O4S/c1-7-13(8(2)17-16-7)23(20,21)18-10-4-5-12-11(6-10)15-14(19)9(3)22-12/h4-7,9H,1-3H3,(H,15,19)/q-1/t7-,9+/m1/s1/f/h15H 3786498D4D026C3E