Chloramphenicol - 2,2-Dichloro-N-[(1R,2R)-2-hydroxy-1-(hydroxymethyl)-2-(4-nitrophenyl)ethyl]Acetamide;
Chloramphenicol EP Impurity A - (1R,2R)-2-Amino-1-(4-nitrophenyl)propane-1,3-diol ; (1R,2R)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol; (1R,2R)-2-Amino-1-(4-nitrophenyl)-1,3-propanediol;