About: http://webisa.webdatacommons.org/257686232

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	etc.; and tetraisocyanates such as 4,4'-dimethyldiphenylmethane, 2,2',5,5'-tetraisocyanate, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca