ethyl 4-(2,4-dioxo-3,1-benzoxazin-1-yl)butanoate

4-(4-乙酰基-苯氧基)-丁酸

4-(4-phenylphenoxy)butan-1-ol

ethyl 6-chloro-5-oxohexanoate

1-[2-(1H-indol-3-yl)ethyl]pyrrolidin-2-one