1-methoxymethyl-2-azido-3-benzoyl-D-(+)-erythro-sphingosine

Benzoic acid (E)-(R)-(R)-1-(1,4-dioxa-spiro[4.5]dec-2-yl)-hexadec-2-enyl ester

Acetic acid (R)-(R)-1-(1,4-dioxa-spiro[4.5]dec-2-yl)-hexadec-2-ynyl ester

Benzoic acid (E)-(R)-1-{(S)-1-azido-2-[dimethyl-(1,1,2-trimethyl-propyl)-silanyloxy]-ethyl}-hexadec-2-enyl ester

Benzoic acid (E)-(R)-1-((R)-2-hydroxy-1-methanesulfonyloxy-ethyl)-hexadec-2-enyl ester