InChI=1/C21H24N2O4/c1-26-19(24)13-17(16-4-3-5-18(12-16)20(22)23)11-8-14-6-9-15(10-7-14)21(25)27-2/h3-7,9-10,12,17H,8,11,13H2,1-2H3,(H3,22,23)/p+1/t17-/m0/s1/fC21H25N2O4/h22-23H2/q+1 9ED8DCA0D42194FD