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1,4-bis 4-amino-3-trifluoromethylphenoxy-benzene
polym.	1,4一二4一氨基一 3一三氟甲基苯氧基苯
1,4-bis 4-phenoxybenzoyl benzene
polym.	1,4一二4一苯氧苯甲酰基苯
1,4-bis β-pyridyl-(2)-vinyl benzene
chem.	1,4-双β-吡啶基-(2)-乙烯基苯
1,4-bis trichloromethyl benzene
chem.	1,4-二三氯甲基苯
1,4-bis p-flourobenzoyl benzene
polym.	1,4一双对氟苯甲酰基苯

1,4-bis -benzene: 4 phrases in 3 subjects

Plastics	1
Polymers	2
Water resources	1