for the following products
4-(4-Fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonyl amino)pyrimidine-5-carboxaldehyde | 4-(4-Fluorophenyl)-6-isopropyl-2-[(N-methyl-N-methylsulfonyl)amino] pyriminl-5-yl-formyl | N-(4-(4-Fluorophenyl)-5-formyl-6-isopropylpyrimidin-2-yl)-N-methylmethanesulfonamide | Rosuvastatin Impurity 53 and N-[4-(4-Fluorophenyl)-5-formyl-6-(1-methylethyl)-2-pyrimidinyl-N-methyl methanesulfonamide
