InChI=1/C24H28N2O5/c1-23(2,15-25-19(27)17-11-7-5-8-12-17)21(29)31-22(30)24(3,4)16-26-20(28)18-13-9-6-10-14-18/h5-14H,15-16H2,1-4H3,(H,25,27)(H,26,28)/f/h25-26H 76BBA1E5B8C63CC3