506-68-3
溴化氰
+
41939-61-1
N1-甲基-4-硝基苯-1,2-二胺
→
~94%
5601-09-2
1-methyl-5-nitrobenzimidazol-2-amine
105918-64-7
bromine isothiocyanate
~92%
46035-60-3
1-methylbenzimidazole-2,5-diamine