| http://www.w3.org/ns/prov#value | - A dye represented by any one of the following general formulae: ##STR47## wherein D is a chromophore, R is a bivalent or trivalent linking group, and IM is a secondary or tertiary amine residue substituted by at least one radical selected from the group consisting of alkyl groups, a carboxyl group, salts of the carboxyl group, a sulfonic group, salts of the sulfonic group, a phosphoric group and s
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