InChI=1/C23H26N2O4/c1-5-21(26)25-19-11-10-16(12-15(19)4)24-23(27)22-18(13-28-14(2)3)17-8-6-7-9-20(17)29-22/h6-12,14H,5,13H2,1-4H3,(H,24,27)(H,25,26)/f/h24-25H 42809CCD2B79728F