InChI=1/C16H19N5O4S/c1-18-13(23)7-21-12(8-22)6-19-16(21)26-9-14(24)20-11-4-2-10(3-5-11)15(17)25/h2-6,22H,7-9H2,1H3,(H2,17,25)(H,18,23)(H,20,24)/f/h18,20H,17H2 2E131C91CD41D548