| http://www.w3.org/ns/prov#value | - In the formula (2-1-A) to the formula (2-1-I), Z.sup.3 is a single bond or --O--; L.sup.2 and L.sup.3 are each independently hydrogen or fluorine; Q.sup.1 is hydrogen or methyl; each Q.sup.2 is independently hydrogen, methyl or trifluoromethyl;
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