InChI=1/C14H16N4O4S/c1-21-10-3-4-11(22-2)12-8(10)5-18(6-9(12)19)14(20)16-13-17-15-7-23-13/h3-4,7,9,19H,5-6H2,1-2H3,(H,16,17,20)/t9-/m0/s1/f/h16H D759CA18E2AEC57C