英文别名2-(Methylsulfonyl)-5-chloropyrimidine; 5-Chloro-2-methanesulfonylpyrimidine; Pyrimidine, 5-chloro-2-(methylsulfonyl)-; 2-methylsulfonyl-5-chloropyrimidine; 2-Methylsulphonyl-5-chlorpyrimidin; 2-methanesulfonyl-5-chloropyrimidine; 5-Chloro-2-methylsulfonyl pyrimidine; 5-chloro-2-methylsulphonylpyrimidine 
