<http://webisa.webdatacommons.org/119140518> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.ca> . <http://webisa.webdatacommons.org/119140518> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/prov/299094369> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/119140518> . <http://webisa.webdatacommons.org/prov/299946318> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/119140518> . <http://webisa.webdatacommons.org/119140518> <http://www.w3.org/ns/prov#value> "Typical examples of such merocyanine dye have the following structures, wherein R1 -R5 independently represent hydrogen or an organic group, X represents O or S and n is an integer of 1 to 3. ##STR3##" .