p-Phenylenediamine, pyromellitic dianhydride, 3,3,4,4-benzophenonetetracarboxylic dianhydride polymer

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CAS No: 28157-66-6

28157-66-6
Order 28157-66-6
phenylenediamine,pyromellitic,dianhydride,benzophenonetetracarboxylic,polymer