InChI=1/C16H11ClN4O5/c1-26-16(23)10-6-8(2-4-12(10)17)18-15(22)14-11-7-9(21(24)25)3-5-13(11)19-20-14/h2-7H,1H3,(H,18,22)(H,19,20)/f/h18-19H A1E3246E3209F624