InChI=1/C18H14N2O4/c21-18(22)13-10-19-14-4-2-1-3-12(14)17(13)20-11-5-6-15-16(9-11)24-8-7-23-15/h1-6,9-10H,7-8H2,(H,19,20)(H,21,22)/f/h19-20H	761C6C92BA2B9C53