| http://www.w3.org/ns/prov#value | - chlorine, preferably fluorine; Y is C.sub.1-C.sub.4-alkyl, C.sub.1-C.sub.4-haloalkyl or methoxy, in particular methyl, difluoromethyl, trifluoromethyl or methoxy; particularly preferably methyl or trifluoromethyl; p is zero; R.sup.1 is fluorine,
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