中文同义名：

2,4-二氨基-6-乙基嘧啶; 6-乙基-2,4-嘧啶二胺; 2,4-二氨基-6-乙基嘧啶 1G;

英文同义名：

2,4-Pyrimidinediamine, 6-ethyl-; 6-Ethyl-pyrimidine-2,4-diyldiamine; 2,4-Pyrimidinediamine, 6-ethyl- (9CI); 6-Ethyl-2,4-Pyrimidinediamine; 2,4-Diamino-6-ethylpyrimidine; 6-ethylpyrimidine-2,4-diamine; 2,4-Diamino-6-ethylpyrimidine, 2,4-Diamino-6-ethyl-1,3-diazine;