InChI=1/C21H14N2O3/c1-12-8-9-16-17(18(12)23-21(26)13-5-4-10-22-11-13)20(25)15-7-3-2-6-14(15)19(16)24/h2-11H,1H3,(H,23,26)/f/h23H F7CB04485DC442AA