16632-21-6
5-硝基-6-甲基-脲嘧啶
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55276-24-9
5-amino-1,3,6-trimethylpyrimidine-2,4-dione
13509-52-9
1,3,4-三甲基尿嘧啶
55326-07-3
1,3,6-trimethyl-5-nitropyrimidine-2,4-dione