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Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	##STR00005## wherein R.sup.a, R.sup.b, R.sup.c and X are as hereinbefore defined and Z.sup.3 denotes a leaving group such as a halogen atom, e.g. a chlorine or bromine atom or a sulphonyloxy group such as a methanesulphonyloxy or
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com