InChI=1/C21H22N2O5/c1-12-9-14-18(26)19(27)20(13-3-4-16(24)17(25)11-13)28-21(14)15(10-12)23-7-5-22(2)6-8-23/h3-4,9-11,24-25,27H,5-8H2,1-2H3/p+1/fC21H23N2O5/h22H/q+1 CBA53F6C30517598