| http://www.w3.org/ns/prov#value | - If the radicals phenyl, stilbenyl, biphenyl, o-, m- or p-terphenyl, triphenylphenyl, naphthyl, binaphthyl, anthracyl, phenanthryl, pyrenyl, ferrocenyl, furanyl, thiophenyl, pyridinyl, quinolinyl or isoquinolinyl are substituted, they are so one to four times, for example one, two or three times, especially one or two times.
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