2-(乙氧基羰基氨基)乙酸乙酯

反式-肉桂酸乙酯

3-(Trifluoroacetyl)-2H-chromen-2-one

3-(2,2,2-trifluoro-1,1-dihydroxyethyl)-2H-chromen-2-one

ethyl 2-hydroxy-2-(trifluoromethyl)-2H-chromene-3-carboxylate