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4,5-Diazafluoren-9-one50890-67-0100 % similar 1 10-Phenanthroline-5 6-dione 9727318-90-767 % similar 2,2'-Bipyridine-3,3'-dicarboxylic acid4433-01-659 % similar Anthraquinone84-65-155 % similar 1,8-Diazafluoren-9-one54078-29-452 % similar 2-Pyridyl ketone19437-26-448 % similar Bianthrone434-85-548 % similar Fluorenone486-25-948 % similar 5H-Pyrrolo[3,4-b]pyridine-5,7(6H)-dione4664-00-047 % similar 2-Phenyl-3-pyridinecarboxylic acid33421-39-545 % similar Quinolinic acid339155-13-445 % similar Furo[3,4-b]pyridine-5,7-dione699-98-945 % similar Quinolinic acid89-00-945 % similar 2-(2-Aminobenzoyl)pyridine42471-56-744 % similar 2-Aminopyridine-3-carboxamide13438-65-844 % similar 6,7-Dihydro-5H-1-pyridin-5-one28566-14-544 % similar 2-Chloronicotinoyl chloride49609-84-944 % similar 2-Hydroxynicotinic acid609-71-244 % similar Dibenzosuberone1210-35-143 % similar 2,2′-Dihydroxybenzophenone835-11-043 % similar