Synthesis of New Polyureas Drived from 4-(4-N-Trimellitylimidophenyl)-1 2 4-triazolidine-3 5-dione

Synthesis of New Polyureas Drived from 4-(4-N-Trimellitylimidophenyl)-1 2 4-triazolidine-3 5-dione
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