About: http://webisa.webdatacommons.org/111024969

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	The phthalocyanine and naphthalocyanine rings which comprise the photo sensitizers of the present invention, can be substituted with hydrogen or other units described further herein below.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com