InChI=1/C18H16N2O2/c21-18(22)12-4-5-16-15(10-12)13-2-1-3-14(13)17(20-16)11-6-8-19-9-7-11/h1-2,4-10,13-14,17,20H,3H2,(H,21,22)/t13-,14+,17+/m1/s1/f/h19H 1D2E7ECD7BF14353