InChI=1/C15H19ClN4O4/c1-3-15(2)13(23)20(14(24)18-15)19-12(22)7-17-11-6-9(8-21)4-5-10(11)16/h4-6,17,21H,3,7-8H2,1-2H3,(H,18,24)(H,19,22)/t15-/m1/s1/f/h18-19H A20BEA9D2A7FDDA1