ethyl 3-(oxiran-2-yl)propanoate

Ethyl (R)-(+)-4,5-epoxypentanoate

2,3-O-(ethoxymethylene)-D-ribonic acid γ-lactone

2(3H)-Furanone, dihydro-5-[(phenylmethoxy)methyl]-, (5S)-

(4S)-(+)-2-phenylseleno-4-benzyloxymethyl-butan-4-olide