About: http://webisa.webdatacommons.org/428690584

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	For example, when X is a halogen atom or hydrogen atom, X is preferably converted to an alkoxy group, an acyloxy group, an aminoxy group, an alkenyloxy group, or hydroxyl group before the use.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com