InChI=1/C21H22N2O7/c1-2-7-23-18(25)15-4-3-14(12-16(15)19(23)26)20(27)28-13-17(24)22-8-5-21(6-9-22)29-10-11-30-21/h2-4,12H,1,5-11,13H2	2B892E2A836DAB29