About: http://webisa.webdatacommons.org/81695462

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	An ink according to claim 1 wherein M is an iron cation, y is 2, and the chromogen is of the formula 30.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com