N,N'-bis-(2,2-bis-ethoxycarbonyl-vinyl)-m-phenylenediamine

丙二酸二乙酯

2-[(2-aminophenylamino)methylene]malonic acid diethyl ester

3-[4-(2,2-bis-ethoxycarbonylvinylamino)phenylamino]-2-ethoxycarbonylacrylic acid ethyl ester

氨气