Norfloxacin Dipiperazine Impurity Norfloxacin IMP 1-Ethyl-4-oxo-6,7-bis(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic Acid

N,N-Bis(methylsulphonyl)-4-nitro-2-phenoxyanilineNimesulide IMP N-(Methylsulfonyl)-N-(4-nitro-2-phenoxyphenyl)methanesulfonamide

4-Nitro-2-phenoxyphenolNimesulide IMP Phenyl-(5-nitro-2-hydroxy-phenyl)-aether

2-Amino-5-nitrothiazole Nitazoxanide IMP N/A

2-PhenoxyanilineNimesulide IMP 2-Aminophenyl phenyl ether

4-Nitro-2-phenoxyanilineNimesulide IMP 2-Amino-5-nitrodiphenyl ether

N,N-Bis(methylsulphonyl)-2-phenoxyanilineNimesulide IMP N-(Methylsulfonyl)-4-(desnitro) Nimesulide

Nifuroxazide Impurity BNifuroxazide IMP p-Hydroxybenzoic Acid methyl ester

Nimesulide Impurity ANimesulide IMP N-(2,4-Dinitro-6-phenoxyphenyl)methanesulphonamide

Nimesulide Impurity BNimesulide IMP N-(2-Phenoxyphenyl)methanesulphonamide