1,3-二(2,4-二硝基苯基)-1,3-二乙基脲

(4-硝基苯基)尿素

1-(2-hydroxyphenyl)-3-(4-nitrophenyl)urea

phenyl N-(4-nitrophenyl)carbamate

1,3-二乙基-1,3-二(4-硝基苯基)脲