InChI=1/C14H16N4O4S/c15-14(19)9-22-12-1-3-13(4-2-12)23(20,21)18-6-5-17-10-16-7-11(17)8-18/h1-4,7,10H,5-6,8-9H2,(H2,15,19)/f/h15H2 02EF9D4328D9DFA5