InChI=1/C21H24N2O4/c1-12-18-14(10-21(2,3)11-15(18)24)23-19(12)20(25)22-13-5-6-16-17(9-13)27-8-4-7-26-16/h5-6,9,23H,4,7-8,10-11H2,1-3H3,(H,22,25)/f/h22H 865AACCAD8647609