1-乙?;?N-(2-甲氧基乙基)哌啶-4-胺;
1,2,4-Oxadiazol-3-carbonsaeureethylester;3-Ethoxycarbonyl-1,2,4-oxadiazol;ethyl 1,2,4-oxadiazole-3-carboxylate;
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