N-(Methylsulfonyl)-4-(desnitro) NiMesulide;N-(Methylsulfonyl)-N-(2-phenoxyphenyl)MethanesulfonaMide;Nimesulide impurity-E(EP/BP);N,N-bis(Methylsulphonyl)-2-phenoxyaniline;(N,N-bis(methylsulfonyl)-2-phenoxyaniline);Nimesulide EP Impurity E, (N,N-bis(methylsulfonyl)-2-phenoxyaniline);N,N-Bis(methylsulphonyl)-2-phenoxya;Methanesulfonamide, N-(methylsulfonyl)-N-(2-phenoxyphenyl)-