20461-60-3
2,4-二乙氧基嘧啶
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6220-43-5
2(1H)-Pyrimidinone, 4-ethoxy- (6CI,7CI,8CI,9CI)
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25957-58-8
2-乙氧基嘧啶-4-醇
108-53-2
异胞嘧啶