57103-02-3
3,6-二碘咔唑
+
98-59-9
对甲苯磺酰氯
→
~90%
551951-03-2
3,6-diiodo-9-(4-methylphenyl)sulfonylcarbazole
98-66-8
4-氯苯磺酸
~87%
86-74-8
咔唑
56525-79-2
3,6-二苯基咔唑