N,N-diisopropyl-4-hydroxypentanamide

4-羰基戊酰氯

(R)-(E)-Methyl 4-hydroxypent-2-enoate

Acetic acid (2R,3R)-4-bromo-2-methyl-5-oxo-tetrahydro-furan-3-yl ester

4-Pentenoic acid propyl ester