About: http://webisa.webdatacommons.org/453670862

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	Preferably, the radicals R are identical and are each methyl, isobutyl, n-butyl, phenyl or benzyl, in particular methyl.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com