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4,4'-(E)-Diazene-1,2-diyldibenzoic acid: BD17907071987-42-398% HPLC; ￥392.01g

4-Dimethylaminoazobenzene-4-carboxylic Acid: BD967946268-49-197%; ￥1113.025g

4-((4-Aminophenyl)diazenyl)benzoic acid: BD010868006925-48-097%; ￥561.01g

(E)-4,4'-(Diazene-1,2-diyl)bis(2-methylbenzoic acid): BD014375471373929-42-095%; ￥1207.01g

(E)-4-((4-Hydroxyphenyl)diazenyl)benzoic acid: BD262142105299-45-496%; ￥1335.01g

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