116465-48-6
2,5-二氟-4-硝基苯甲酸
→
7498-31-9
diethyl 2-[(2,5-difluoro-4-nitrobenzoyl)amino]pentanedioate
141412-60-4
2,5-二氟-4-硝基甲苯
452-67-5
2,5-二氟甲苯