InChI=1/C23H19NO4/c1-14-5-7-15(8-6-14)16-9-11-17(12-10-16)28-23(27)19-13-18-20(24-22(19)26)3-2-4-21(18)25/h5-13H,2-4H2,1H3,(H,24,26)/f/h24H 8864007F19473066