InChI=1/C20H17NO2/c1-2-20(15-9-4-3-5-10-15)19(22)17-12-8-14-21(17)16-11-6-7-13-18(16)23-20/h3-14H,2H2,1H3/t20-/m1/s1 FAC4B6CB8A00D3B7