About: http://webisa.webdatacommons.org/390779731

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	Here, R is a straight-chain or branched-chain alkyl group, X is hydrogen or an alkoxy group, amino group or a halogen atom.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com