2,4-二氯-6-甲氧基嘧啶

6-methoxy-1-methylpyrimidine-2,4-dione

2,4,6-三甲氧基嘧啶

2(1H)-Pyrimidinone, 4,6-dimethoxy-1-methyl-

6-甲氧基-1,3-二甲基脲嘧啶