About: http://webisa.webdatacommons.org/277014384

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 reaction may be carried out in the presence or absence of a condensing agent, for example a trialkylamine, in an inert solvent, for example an alcohol, e.g. ethanol or acetic acid anhydride.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com