(2014/09/03)
7-Amino-3-(2,2-dimethoxy-ethylthiocarbamoylsulfanylmethyl)-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester
(6R,7R)-7-{2-{(Z)-2-[Acetyl-(4-methoxy-benzyloxy)-amino]-ethoxyimino}-2-[2-(trityl-amino)-thiazol-4-yl]-acetylamino}-3-chloromethyl-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester
(6R,7R)-3-Chloromethyl-7-{2-[(Z)-hydroxyimino]-2-[2-(trityl-amino)-thiazol-4-yl]-acetylamino}-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-methoxy-benzyl ester
3-chloromethyl-7β-tert-butylcarbonylamino-3-cephem-4-carboxylic acid p-methoxybenzyl ester
4-Methoxybenzyl (6R,7R)-7-Amino-3-(3,4-diacetoxybenzoyloxy)methylceph-3-em-4-carboxylate