Urea

255708-80-6

255708-80-6

1846862

O-甲基-N-硝基-N-甲基异脲

1226500-50-0

1226500-50-0

157803

N,N'-双(4-硝基苯乙基)脲

39236-46-9

39236-46-9

145485

咪唑烷基脲

759-73-9

759-73-9

219572

N-亚硝基-N-乙基脲

684-93-5

684-93-5

154797

1-甲基-1-亚硝基脲

632-22-4

632-22-4

113909

598-50-5

598-50-5

123767

57538-27-9

57538-27-9

1225936

O-甲基-N-硝基异脲 (呋虫胺中间体)

1694-06-0

1694-06-0

123106

对甲苯磺酰脲

1226500-52-2

1226500-52-2

157804

N,N'-双(4-氨基苯乙基)脲

124-43-6

124-43-6

123990

127-07-1

127-07-1

100314