About: http://webisa.webdatacommons.org/11313552

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	X is a halogen atom, R1 is a hydrogen atom or a C1-C3 alkyl group having a linear or branched hydrocarbon chain, R2 is a hydrogen atom or an OH group, and R3 is a group in which:
http://www.w3.org/ns/prov#wasQuotedFrom	google.com