InChI=1/C21H19NO3/c23-21-17-8-4-7-15(17)16-9-10-19-18(20(16)25-21)12-22(13-24-19)11-14-5-2-1-3-6-14/h1-3,5-6,9-10H,4,7-8,11-13H2 1F40D908FB08456C