51-58-1
Urea,N-(aminoiminomethyl)-N'-(4-nitrophenyl)-, hydrochloride (1:1)
→
101091-67-2
1-ethyl-3-(4-nitrophenyl)-1-phenylurea
2733-41-7
4-nitrobenzoyl azide
100-28-7
异氰酸对硝基苯
+
103-69-5
N-乙基苯胺