InChI=1/C21H30N2O5/c1-3-5-6-7-10-23(11-12-24)15-16-13-20(25)28-19-14-17(8-9-18(16)19)22-21(26)27-4-2/h8-9,13-14,24H,3-7,10-12,15H2,1-2H3,(H,22,26)/p+1/fC21H31N2O5/h22-23H/q+1 2E7F26AB4743EFB7