50599-78-5
乙酮,1-(1H-苯并咪唑-2-基)-, 共轭酸 (1:1)
+
109-64-8
1,3-二溴丙烷
→
7512-10-9
1,1-dimethyl-4-phenylazepan-1-ium-4-carbonitrile