<http://webisa.webdatacommons.org/291172937> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/291172937> <http://www.w3.org/ns/prov#value> "C???C[???C???C]n[???C]m(R1)???R2 wherein R1 is a methyl group or an ethyl group; n=1 or 2; m=1; and R2 is an optionally substituted hydrocarbyl containing 1 to 30 carbon atoms." . <http://webisa.webdatacommons.org/prov/464017588> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/291172937> . <http://webisa.webdatacommons.org/291172937> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.com> . <http://webisa.webdatacommons.org/prov/464455995> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/291172937> .