About: http://webisa.webdatacommons.org/211095852

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	Example of photochromic materials include, without limitation, photochromic groups (e.g., indeno-fused naphthopyrans, etc.), as well as polymers, oligomers, monomers, and other compounds that comprise at least one photochromic group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com