(S)-(+)-4-hydroxypentanenitrile

5-(phenylselanylmethyl)oxolan-2-one

4-氧代戊腈

(2S,3R,3aS,6R,6aR)-2-(benzyloxy)-6-hydroxyhexahydrofuro[3,2-b]furan-3-yl 4-hydroxypentanoate

methyl 2-(5-methyloxolan-2-ylidene)acetate