About: http://webisa.webdatacommons.org/37028285

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	Alkyl or alkoxy groups having 1 to 4 carbon atoms, in particular methyl or methoxy groups,
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com