InChI=1/C21H34N2O4/c1-4-5-9-23(10-11-24)15-20(25)22-21(16(2)3)17-7-8-18-19(14-17)27-13-6-12-26-18/h7-8,14,16,21,24H,4-6,9-13,15H2,1-3H3,(H,22,25)/p+1/t21-/m0/s1/fC21H35N2O4/h22-23H/q+1 6EFB7AB4092883A8