1,2-二氢-6-(甲硫基)-3H-吡唑并[3,4-d]嘧啶-3-酮

ethyl 4-(dimethylamino)-2-methylsulfanylpyrimidine-5-carboxylate

(4-氯-2-甲基磺酰基-嘧啶-5-基)-甲醇

4-氯-2-(甲基硫代)嘧啶-5-甲醛

2-甲硫基-4,5-嘧啶二甲酸二乙酯