86-79-3
2-羟基咔唑
→
14501-64-5
2-羟基咔唑-3-羧酸
+
23077-32-9
2-hydroxy-9H-carbazole-1-carboxylic acid
23077-61-4
4'-氯-2-羟基咔唑-1-甲酰苯胺