6954-55-8
芴-4-羧酸
→
7256-04-4
7-硝基-4-芴甲酸
+
7145-76-8
5-Nitro-fluoren-4-carbonsaeure
6223-83-2
9-芴酮-4-甲酸
863305-32-2
biphenyl-2,2'-dicarboxylic acid