64-18-6
Formic acid
+
101-77-9
4,4'-二氨基二苯甲烷
→
52721-83-2
N-[4-[(4-formamidophenyl)methyl]phenyl]formamide
109-94-4
甲酸乙酯
甲酸
1807-55-2
4,4-亚甲基双(n-甲基苯胺)
956-62-7
1-isocyano-4-[(4-isocyanophenyl)methyl]benzene