InChI=1/C22H19NO3/c24-18-8-6-15(7-9-18)21-14-23(22(26)16-4-2-1-3-5-16)13-17-12-19(25)10-11-20(17)21/h1-12,21,24-25H,13-14H2/t21-/m1/s1 82E40AB3DC1EDEBE