131543-46-9
alpha-ketodiacetal
+
106-49-0
对甲苯胺
→
~85%
24764-92-9
N,N'-bis(4-methylphenyl)ethane-1,2-diimine
174647-97-3
174647-91-7
103-89-9
4'-甲基乙酰苯胺
70401-29-5
2-甲基-9-吖啶甲醛
620-84-8
4-甲基-N-苯基苯胺
622-58-2
对甲苯异氰酸酯
4693-68-9
N,N'-bis(4-methylphenyl)ethane-1,2-diamine