About: http://webisa.webdatacommons.org/57146905

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, each of R1, R2 and R3 will be alkyl, such as methyl, and n will be zero.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com