71190-35-7
1-(2,4-Dinitrophenyl)-4,4'-bipyridinium dichloride
+
74497-02-2
1-aminobenzene
→
~75%
109001-24-3
1-phenyl-4-pyridin-1-ium-4-ylpyridin-1-ium,dichloride
553-26-4
4,4'-联吡啶