20986-40-7
5-溴烟酸乙酯
→
~90%
112193-41-6
5-溴吡啶-3-甲酰肼
29681-44-5
5-溴烟酸甲酯
~70%
98555-51-2
5-溴吡啶-2,3-二羧酸
20826-04-4
5-溴烟酸
39620-02-5
5-溴吡啶-3-羰酰氯