100-00-5
对硝基氯苯
→
69770-62-3
2-(4-nitrophenyl)sulfonylpyridine
2637-34-5
2-巯基吡啶
109-04-6
邻溴吡啶
+
1849-36-1
4-硝基苯硫醇
73322-01-7
2-(4-nitrophenyl)sulfanylpyridine