4-thiophen-2-ylbutan-2-one

1-(4-phenylphenyl)-3-thiophen-2-ylprop-2-en-1-one

(S)-3-羟基-3-(2-噻吩基)丙酸乙酯

(R)-ethyl 3-hydroxy-3-(thiophen-2-yl)propanoate

(R)-3-ethoxy-3-oxo-1-(thiophen-2-yl)propyl butyrate