6-(Phenylamino)-5,8-quinolinedione91300-60-6100 % similar 6-(Phenylmethyl)-5H-pyrrolo[3,4-B]pyridine-5,7(6H)-dione18184-75-335 % similar Furo[3,4-B]pyridine-5,7-dione699-98-935 % similar Quinolinic acid89-00-935 % similar 3-(Phenylamino)-2-cyclohexen-1-one24706-50-135 % similar Oxanilide620-81-534 % similar Menadione58-27-534 % similar Lawsone83-72-734 % similar 5H-Pyrrolo[3,4-B]pyridine-5,7(6H)-dione4664-00-033 % similar 2-Phenyl-3-pyridinecarboxylic acid33421-39-533 % similar 2,3-Dimethyl 2,3-pyridinedicarboxylate605-38-933 % similar 2,2′-Pyridil492-73-933 % similar Indigo blue482-89-332 % similar 1,8-Diazafluoren-9-one54078-29-432 % similar 2-Acetyl-3-pyridinecarboxylic acid89942-59-631 % similar Isatin91-56-531 % similar 2-Phenoxynicotinic acid35620-71-430 % similar 2-(Phenylthio)-3-pyridinecarboxylic acid35620-72-530 % similar