—— |
4-Nitro-benzoic acid (2S,3S,5R,6R,7R)-3-(2-chloro-acetoxy)-3-methyl-5,8-dioxo-7-(2-phenoxy-acetylamino)-5λ4-thia-1-aza-bicyclo[4.2.0]oct-2-ylmethyl ester |
90987-19-2 |
C25H24ClN3O10S |
593.999 |
—— |
3β-chloroacetoxy-3α-methyl-4α-(p-nitrobenzoyloxymethyl)-7β-phenoxyacetamidocepham |
90987-15-8 |
C25H24ClN3O9S |
577.999 |
—— |
3β-bromo-3α-methyl-4α-(p-nitrobenzoyloxymethyl)-7β-phenoxyacetamidocepham |
90987-13-6 |
C23H22BrN3O7S |
564.414 |
—— |
4-Nitro-benzoic acid (2S,3R,4S,5R,6R)-3-bromomethyl-3-methyl-4,7-dioxo-6-(2-phenoxy-acetylamino)-4λ4-thia-1-aza-bicyclo[3.2.0]hept-2-ylmethyl ester |
90987-16-9 |
C23H22BrN3O8S |
580.413 |
—— |
4-Nitro-benzoic acid (2S,3R,4S,5R,6R)-3-(2-chloro-acetoxymethyl)-3-methyl-4,7-dioxo-6-(2-phenoxy-acetylamino)-4λ4-thia-1-aza-bicyclo[3.2.0]hept-2-ylmethyl ester |
90987-17-0 |
C25H24ClN3O10S |
593.999 |
—— |
2β-bromomethyl-2α-methyl-3α-(p-nitrobenzoyloxymethyl)-6β-phenoxyacetamidopenam |
90987-12-5 |
C23H22BrN3O7S |
564.414 |
—— |
2β-chloroacetoxymethyl-2α-methyl-3α-(p-nitrobenzoyloxymethyl)-6β-phenoxyacetamidopenam |
90987-14-7 |
C25H24ClN3O9S |
577.999 |