| http://www.w3.org/ns/prov#value | - C.sub.1-C.sub.6-alkyl, including methyl; optionally substituted C.sub.2-C.sub.6-alkenyl and optionally substituted C.sub.2-C.sub.6-alkynyl; R.sup.3 is selected from H; halo, including chloro; optionally substituted C.sub.1-C.sub.6-alkyl; optionally
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