About: http://webisa.webdatacommons.org/258027794

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	ivalent; otherwise R3 is an alkyl group or a deuterated equivalent thereof having one less carbon than that of R2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es