5-氯-2-(甲磺酰基)嘧啶-4-羧酸

5-氯-2-(甲基硫代)嘧啶-4-羧酸乙酯

5-hydroxy-2-methylsulfanylpyrimidine-4-carboxylic acid

5-氯-2-(甲基硫代)嘧啶-4-羧酸甲酯

5-氯-2-(甲基磺酰基)嘧啶