InChI=1/C20H18N2O2/c1-21(2)13-7-3-4-8-18-16-9-5-6-10-17(16)19-12-11-15(22(23)24)14-20(18)19/h3-14H,1-2H3/b4-3-,13-7-,18-8-	994D8946BCBCB108