About: http://webisa.webdatacommons.org/161884154

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	A cement additive composition according to claim 2, wherein R2 is a C1-4 alkyl group, and R3 is a butyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com