| http://www.w3.org/ns/prov#value | - wherein T and R are as defined above; D2 represents a group as defined in the item (II), or a group of D3 --N???N--D4 --(N???N--D5)l as defined in the item (III) (provided that l=0); D6 represents a 1,4-phenylene, sulfo-1,4-naphthylene, or stilbene group; and the benzene nucleus of D2 and D6 may further have one or more substituents, for example a halogen atom or an alkyl, alkoxy, carboxy or acyla
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