| http://www.w3.org/ns/prov#value | - A herbicidal composition according to claim 4, wherein R is --CH.sub.2 CF.sub.2 CHF.sub.2, --CH.sub.2 CF.sub.2 CF.sub.3, --CH.sub.2 CF.sub.2 CHFCF.sub.3 or --CH.sub.2 CF.sub.2 CF.sub.2 CF.sub.3 and X is a hydrogen atom or a fluorine atom at2-position of the benzene ring.6.
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