DL-α-氨基苯乙酸

2,2,2-trichloroethyl (1S,3S,5R,6R)-6-phenylacetamido-2,2-dimethylpenam-3-carboxylate, 1-oxide

2,2,2-trichloroethyl (6R,7R,2'R)-7-(2'-azido-2'-phenylacetamido)-3-methylceph-3-em-4-carboxylate

6β-((S)-2-bromo-2-phenyl-acetylamino)-1β-oxo-1λ4-penicillanic acid 2,2,2-trichloro-ethyl ester

2,2,2-trichloroethyl (1S,3S,5R,6R,2'R)-6-(2'-azido-2'-phenylacetamido)-2,2-dimethylpenam-3-carboxylate, 1-oxide