About: http://webisa.webdatacommons.org/240834770

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	Even more preferred are those wherein R1 and R2 are each a hydrogen atom and R3 is a t-butyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com