About: http://webisa.webdatacommons.org/215760356

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	These groups may be replaced by substances such as hydroxyl group, halogen, etc. to the extent that they do not adversely affect the plate material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au