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1H-Imidazole-2-carboxylic acid16042-25-4100 % similar 3-Hydroxypyrazine-2-carboxylic acid20737-42-256 % similar 4-(1H-Imidazol-2-yl)benzoic Acid108035-45-653 % similar 2,3-Pyrazinedicarboxylic acid89-01-046 % similar Ethyl 1H-imidazole-2-carboxylate33543-78-144 % similar 4,6-Pyrimidine dicarboxylic acid16490-02-143 % similar Pyrimidine-2-carboxylic acid31519-62-743 % similar 1H-Pyrrolo[2,3-B]pyridine-4-carboxylic acid479553-01-043 % similar 4-Pyrimidinecarboxylic acid31462-59-642 % similar Imidazole-4,5-dicarboxylic acid570-22-942 % similar 2,5-Pyrazinedicarboxylic acid122-05-441 % similar Pyrrole-2-carboxylic acid634-97-941 % similar 5-Pyrimidinecarboxylic acid4595-61-340 % similar 1H-Pyrrolo[2,3-b]pyridine-5-carboxylic acid754214-42-139 % similar 3H-Imidazo[4,5-B]pyridine-7-carboxylic acid78316-08-239 % similar 1H-Imidazole-5-carboxylic acid1072-84-039 % similar Thiazole-2-carboxylic acid14190-59-139 % similar 4,6-Dimethylpyrimidine-5-carboxylic acid157335-93-839 % similar 1H-Pyrazole-5-carboxylic acid1621-91-639 % similar 2,2'-Bipyridine-3,3'-dicarboxylic acid4433-01-639 % similar