About: http://webisa.webdatacommons.org/345205877

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	Step (7); The compound (g) is then reacted by using a reagent such as phosgene dimer or phosgene trimer and a base in an inert solvent under ice cooling.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr