3-methyl-2-nitro-5-oxo-hexanoic acid ethyl ester

ethyl 4-[bis(acetoxy)thallio]-3-ethyl-5-methylpyrrole-2-carboxylate

2-肟氰乙酸乙酯

ethyl 4-isobutyryl-3,5-dimethyl-1H-pyrrole-2-carboxylate

氨基丙二酸二乙酯