110-89-4
哌啶
+
201230-82-2
carbon monoxide
100-01-6
4-硝基苯胺
→
~94%
2589-20-0
piperidine-1-carboxylic acid propyl ester
100-28-7
异氰酸对硝基苯
556-10-5
(4-硝基苯基)尿素
463-79-6
碳酸钇二水
106-50-3
对苯二胺