InChI=1/C21H20ClN2O6/c1-2-28-12-11-21(18(25)17(23)19(26)24-20(21)27)30-14-9-7-13(8-10-14)29-16-6-4-3-5-15(16)22/h3-10,18,23H,2,11-12H2,1H3,(H,24,26,27)/q-1/t18-,21+/m0/s1/f/h24H D7B79D983E379A51