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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	wherein R.sup.5 and R.sup.6, which may be the same or different, represent C1-6 alkyl, or R.sup.5 and R.sup.6 together represent --(CH.sub.2).sub.n-- wherein n is an integer of 2 to 6.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com