InChI=1/C17H14N2O2/c18-11-14-15(12-7-3-1-4-8-12)17(21,19-16(14)20)13-9-5-2-6-10-13/h1-10,14-15,21H,(H,19,20)/t14-,15+,17+/m1/s1/f/h19H ADB833717F1290FF