ethyl 2-ethoxy-8-ethyl-5,8-dihydro-5-oxopyrido[2,3-d]pyrimidine-6-carboxylate;2-Ethoxy-8-ethyl-5,8-dihydro-5-oxopyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester;Einecs 279-196-7
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