About: http://webisa.webdatacommons.org/213590178

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	R3 X, where R is an alkyl or hydroxy alkyl group and X is usually chloride or hydroxide; and weak base anion, i.e., containing a trialkylamino group: --NR2, where R is an alkyl or hydroxyalkyl group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es