InChI=1/C20H22N2O7/c1-3-13-7-15(12(2)23)17(24)8-18(13)29-9-14-5-4-6-16(22-14)20(27)21-11-28-10-19(25)26/h4-8,24H,3,9-11H2,1-2H3,(H,21,27)(H,25,26)/p-1/fC20H21N2O7/h21H/q-1	5F5391A5FD6812FD