InChI=1/C20H20N2O2/c23-18(10-9-14-5-2-1-3-6-14)22-12-11-15-7-4-8-16-19(15)17(22)13-21-20(16)24/h1-8,17H,9-13H2,(H,21,24)/t17-/m0/s1/f/h21H	D7CAEDDE47DE51B2