53994-83-5 | p-nitrobenzyl (6R-trans)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | C14H12 Cl N3 O5 S |
53994-85-7 | N-Boc-(4'-Chlorophenyl)glycine | C13H16ClNO4 |
53994-70-0 | 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-3-chloro-8-oxo-, diphenylmethyl ester, (6R,7R)- | C20H17ClN2O3S |
53994-73-3 | Cefaclor | C15H14ClN3O4S |