5350-93-6
2-氯-5-氨基吡啶
→
~79%
6684-39-5
2-氯吡啶-5-磺酰氯
+
7758-89-6
氯化亚铜
~63%
6684-46-4
6-羟基吡啶-3-磺酰酸
53939-30-3
5-溴-2-氯吡啶
876489-80-4
1-methyl-6-oxo-1,6-dihydro-pyridine-3-sulfonic acid