About: http://webisa.webdatacommons.org/293157331

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	Preferred are methyl, ethyl, isobutyl and t-butyl groups, and particularly preferred is a methyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com