Polycondensation Reaction of N N -(4 4 -Oxydiphthaloyl)-bis-L-isoleucine Diacid Chloride with Aromatic Diamines

Polycondensation Reaction of N N -(4 4 -Oxydiphthaloyl)-bis-L-isoleucine Diacid Chloride with Aromatic Diamines
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