About: http://webisa.webdatacommons.org/234802139

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, R 3 is a hydrocarbyl group having from 1 to about 8 carbon atoms, more preferably 1 to about 6, more prefer?? ably 1 to about 4.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com