Chemical Name : 2-甲基-6-硝基苯甲酸酐
CAS : 434935-69-0
2-Fluoroterephthalic acid dimethyl ester
2,3,5,6-Tetrafluoroterephthalic acid
4,5-Dichlorophthalicanhydride
4,5-Difluorophthalic acid
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