About: http://webisa.webdatacommons.org/195029054

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 the alkyl groups in the above moieties of R1, R2 and R3 have from 1 to 12 carbon atoms, more preferably from 1 to 8 and in particular from 1 to 2 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca