About: http://webisa.webdatacommons.org/197736602

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	R4 is a divalent hydrocarbon radical having from 1 to 8 carbon atoms per radical,
http://www.w3.org/ns/prov#wasQuotedFrom	google.com