5-乙基-2,3-二吡啶甲酸乙酯;
2,3-Pyridinedicarboxylicacid,5-ethyl-,2,3-diethyl ester;diethyl ester of 5-ethylpyridine-2,3-dicarboxylic acid;5-ethyl-2,3-pyridinedicarboxylic acid diethyl ester;diethyl 5-ethyl-2,3-pyridinedicarboxylate;5-Ethylpyridine-2,3-dicarboxylic acid diethyl ester;
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