3(4H)-Quinazolinecarboxylic acid,4-oxo-,methyl ester;methyl 4-oxoquinazoline-3(4H)-carboxylate;4-oxo-4H-quinazoline-3-carboxylic acid methyl ester;4-Oxo-3(3H)-quinazolinecarboxylic acid methyl ester;
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