InChI=1/C24H22NO3/c1-3-27-20-8-9-21-22(15-20)28-23(24(21)26)14-18-10-12-25(13-11-18)16-19-6-4-17(2)5-7-19/h4-15H,3,16H2,1-2H3/q+1/b23-14- AC9F20842166E40D