tert-butyl 4-oxopentanoate

methyl (4S)-2-(pyridin-2-ylthio)-4-(((S)-tetrahydro-2H-pyran-2-yl)oxy)pentanoate

4-戊烯酸

2(5H)-Furanone, 5-methyl-, (5S)-

(S)-2-[(S)-4-hydroxypentanamide]-3-phenyl-N-[(R)-1-phenylethyl]propanamide