320-97-8
4-氟邻苯二甲酸
→
319-03-9
4-氟邻苯二甲酸酐
118-45-6
4-氯代苯酐
320-96-7
diethyl 4-fluorobenzene-1,2-dicarboxylate
5466-84-2
4-硝基苯酐