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4,4'-[1,4-Phenylenebis(Ethyne-2,1-diyl)]dibenzoic acid: BD317468217077-89-998%; ￥906.01g

4,4'-(1,4-Phenylenebis(ethyne-2,1-diyl))dianiline: BD01418222246141-52-695%; ￥1285.01g

5,5'-(1,4-Phenylenebis(ethyne-2,1-diyl))diisophthalic acid: BD01406824957014-40-397%; ￥847.0250mg

4,4'-(1,4-Phenylenebis(ethyne-2,1-diyl))dibenzaldehyde: BD01143635192188-70-898%; ￥834.01g

1,4-Bis(phenylethynyl)benzene: BD323691849-27-097%; ￥980.05g

5,5'-(1,4-Phenylenebis(ethyne-2,1-diyl))diisophthalaldehyde: BD014215572380275-60-398%; ￥210.0100mg

4,4'-((2,5-Dimethoxy-1,4-phenylene)bis(ethyne-2,1-diyl))dibenzaldehyde: BD011440811190963-83-798%; ￥921.01g

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