InChI=1/C16H15ClN4O4/c1-18-13-5-3-9(7-14(13)21(24)25)15(22)20-12-6-4-10(17)8-11(12)16(23)19-2/h3-8,18H,1-2H3,(H,19,23)(H,20,22)/f/h19-20H B9F9308F47229F01