About: http://webisa.webdatacommons.org/342428208

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	It is taught in that reference that M is a metal and R is an aliphatic or aromatic radical that may contain further substituted atoms or groups such as -O(alkyl).Similarly, certain substituted metal xanthates are also known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com