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  4,4'-脲基二-苯甲酸

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  4,4'-磺酰基二苯甲酸

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  4-(4-羧苯氧甲基)苯甲酸

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  3-(4-羧基苯氧基) - 1,2-苯二甲酸,

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  4-[(4-羧基苯基)-二甲基硅基]苯甲酸

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  H2-PVDC

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  Benzoic acid, 4,​4'-​(1,​2-​phenylenedi-​2,​1-​ethynediyl)​bis-

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  Benzoic acid, 4,4'-(21H,23H-porphine-5,15-diyl)bis-