67-56-1
甲醇
+
104-49-4
对苯二异氰酸酯
→
~99%
5433-04-5
N,N'-p-phenylene-bis-carbamic acid dimethyl ester
79-22-1
氯甲酸甲酯
106-50-3
对苯二胺
~97%
100-25-4
对二硝基苯
2597-44-6
oxomethyl
~84%
201230-82-2
carbon monoxide
1943-87-9
methyl N-(4-nitrophenyl)carbamate