n-alpha-carbobenzoxy-o-tosyl-l-serine methyl ester

z-ser(tos)-och3

z-ser(tos)-ome

z-o-4-toluenesulfonyl-l-serine methyl ester

z-serine(tos)-ome

n-benzyloxycarbonyl-o-(p-toluenesulfonyl)-l-serine methyl ester

(s)-methyl 2-(benzyloxycarbonylamino)-3-(tosyloxy)propanoate

cbz-o-4-toluenesulfonyl-l-serine methyl ester

methyl (S)-2-(benzyloxycarbonlamino)-3-(p-toluenesulfonyl)propionate

N-benzyloxycarbonyl-O-tosyl-L-serine methyl ester

N-benzyloxycarbonyl-O-p-toluenesulfonyl-L-serine methyl ester

N-Carbobenzoxy-O-tosyl-L-serinmethylester

Z-Ser(Tos)-OMe

methyl N-[(benzyloxy)carbonyl]-O-[(4-methylphenyl)sulfonyl]-L-serinate