| http://www.w3.org/ns/prov#value | - Substituents of this type are for example alkyl and alkoxy groups, preferably having 1 to 4 carbon atoms and halogen substituents such as chlorine, bromine and fluorine as ribed, for example, in European patent applications Nos. 113,124; 112,514; in German Pat. Nos. 2,263,171; 2,508,408; 2,529,991; and in Japanese Pat. No. J5 6089740.
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