InChI=1/C21H26N2O5/c1-27-18-11-9-17(10-12-18)23(14-16-6-3-4-7-19(16)24)15-20(25)22-13-5-8-21(26)28-2/h3-4,6-7,9-12,24H,5,8,13-15H2,1-2H3,(H,22,25)/f/h22H CEBBB0B2FB48A951