| http://www.w3.org/ns/prov#value | - ub.2 O__________________________________________________________________________ --*counterion is negatively charged substituent of Ar2 The reaction to prepare the novel polymers of the invention is carried out by mixing, preferably, equimolar amounts of the bis(pyrylium) salt of Formula VIII, the diamine of Formula IX and an organic base such as an amine or aza compound, for example triethyl
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