About: http://webisa.webdatacommons.org/359445380

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	One embodiment of this process is described in Equation 1: wherein R1, R2, X and a are as previously defined, M is an alkali metal and PTC is phase transfer catalyst.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk