InChI=1/C19H17NO/c21-15-9-5-12(6-10-15)18-16-3-1-2-13-4-7-14-8-11-17(18)20(14)19(13)16/h4-11,16,19,21H,1-3H2/t16-,19-/m1/s1	3D53DB032F0B992E