mt013673,3’4,4′-benzophenone tetracarboxylic dianhydride 2421-28-5
english name: 3,3,4,4-benzophenonetetracarboxylic acid dianhydride common aliases: 4,4′-carbonyl diphthalic anhydride; 3,3′,4,4′-benzophenone tetracarboxylic dianhydride; 3,3′,…
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