Chemical Name : 4,4'-Diaminobiphenyl-2,2'-Dicarboxylic acid
CAS : 17557-76-5
2-Bromo-3,4-difluoro nitrobenzene
4-氯-2-氟-1-碘苯
2-Amino-3,4-difluoronitrobenzene
1,2-二氯-4-氟苯
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