1,3-二(4-氨基苯基)脲

1,3-二(2,4-二硝基苯基)-1,3-二乙基脲

1,3-bis(2,4,6-trinitrophenyl)urea

phenyl N-(4-nitrophenyl)carbamate

1,3-二乙基-1,3-二(4-硝基苯基)脲