ethyl 3-(N-phenylamino)-2-phenylpropenoate

3-O-ethyl 6a-O-methyl 6-methyl-6-oxo-1,3a,4,5-tetrahydrophospholo[2,3-c]pyrazole-3,6a-dicarboxylate

乙基2-[(4-硝基苯基)氨基]乙酸酯

[ethoxycarbonylmethyl-(4-nitrophenyl)amino]acetic acid ethyl ester

乙基N-丁基甘氨酸酯