N-ethyl-N'-(4-nitrophenyl)ethylenediamine 以
正己烷 、
氯仿 、
乙酸乙酯 为溶剂,
生成 1,3-dimethyl-6-{2-[N-ethyl-2-(4-nitroanilino)ethylamino]ethylamino}-2,4(1H,3H)-pyrimidinedione 、 1,3-dimethyl-6-{2-[N-ethyl-2-(4-nitroanilino)ethylamino]ethylamino}-2,4(1H,3H)-pyrimidinedione oxalate