gamma-丁内酯-3-基异丁烯酸酯

[(3S)-5-oxooxolan-3-yl] methanesulfonate

(S)-3,4-二羟基丁酰胺

S(-)-4-碘-3-羟基丁酸乙酯

4-hydroxy-3-prop-2-enyloxolan-2-one