5-(2-Hydroxyethyl)-4-methylthiophene-3-methanol

2-(3-bromo-4-methylthiophen-5-yl)ethanol

N,N-二甲基甲酰胺

α-乙酰基-γ-丁内酯

3-乙酰基-3-氯二氢呋喃-2(3H)-酮