—— |
(6R,7S)-7-[(2-methylpropan-2-yl)oxycarbonylamino]-3-[2-(4-nitrophenyl)-1,3-thiazol-4-yl]-8-oxo-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
159267-50-2 |
C22H22N4O7S |
486.505 |
—— |
p-nitrobenzyl 7β-phenoxyacetyl-t-butyloxycarbonylamino-1-carba(1-dethia)-3-(2-bromo-1,1-diethoxyethyl)-3-cephem-4-carboxylate |
138038-51-4 |
C34H40BrN3O11 |
746.609 |
—— |
p-nitrobenzyl 7β-t-butyloxycarbonylamino-1-carba(1-dethia)-3-(2-bromo-1,1-diethoxyethyl)-3-cephem-4-carboxylate |
138038-52-5 |
C26H34BrN3O9 |
612.475 |
—— |
p-nitrobenzyl 7β-t-butoxycarbonylamino-1-carba(1-dethia)-3-(2-bromomethylcarbonyl)-3-cephem-4-carboxylate |
138038-53-6 |
C22H24BrN3O8 |
538.352 |
—— |
p-nitrobenzyl 7β-phenoxyacetylamido-1-carba(1-dethia)-3-(2-bromo-1,1-diethoxyethyl)-3-cephem-4-carboxylate |
138038-50-3 |
C29H32BrN3O9 |
646.492 |
—— |
p-nitrobenzyl 7β-phenoxyacetylamido-1-carba(1-dethia)-3-(1-ethoxy-ethen-1-yl)-3-cephem-4-carboxylate |
123289-24-7 |
C27H27N3O8 |
521.527 |