About: http://webisa.webdatacommons.org/314803828

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	R2 to R6 denote hydrogen or alkyl with 1 to 4, preferably 1 to 2, especially preferably with 1 C atom and
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au