octyl (S)-3-tetrahydropyranyloxypentanoate

(S)-1,3-pentanediol 1-benzyl ether 3-(3',5'-dinitro)benzoate

(R)-1,3-pentanediol 1-t-butyldimethylsilyl ether

(S)-1,3-pentanediol 1-t-butyldimethylsilyl ether

2-(((S)-1-(benzyloxy)pentan-3-yl)oxy)tetrahydro-2H-pyran