InChI=1/C23H24N2O4/c1-15-5-3-6-18(11-15)25(23(27)21-7-4-10-29-21)14-17-12-16-13-19(28-2)8-9-20(16)24-22(17)26/h3,5-6,8-9,11-13,17,21H,4,7,10,14H2,1-2H3/p+1/t17-,21-/m1/s1/fC23H25N2O4/h24H/q+1 9CEF55822B7FBF19