2,5-二乙基-1H-吡咯

(5-ethylsulfanyl-2-phenyl-1,3-thiazol-4-yl)-triphenylphosphanium,iodide

ethyl 2-(2-acetamidophenyl)-2-oxoacetate

2-羟基-2-甲基丁酸乙酯

ethyl 2-(5-methyltetrazol-1-yl)benzoate