About: http://webisa.webdatacommons.org/203325808

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	R'.sub.1 is preferably an alkyl radical having 2 to 18 carbon atoms and especially 2 to 16 carbon atoms, a benzyl radical or a cyclohexyl radical.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com