About: http://webisa.webdatacommons.org/65503568

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	When R' is a methyl or ethyl radical, methyl or ethyl sulphate, respectively,
http://www.w3.org/ns/prov#wasQuotedFrom	archive.org