| http://www.w3.org/ns/prov#value | - The phthalocyanine dye of claim 18, wherein R1 is a bivalent radical selected from the group consisting of optionally substituted alkylene, optionally substituted alkyleneoxycarbonyl, optionally substituted alkylenecarbamoyl, optionally substituted alkylenesulfonyl, optionally substituted alkylenesulfonylcarbamoyl, optionally substituted arylene, optionally substituted arylenesulfonyl, optionally
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