About: http://webisa.webdatacommons.org/438407804

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	In the structure named above each R1 is a C1-C6 alkyl or hydroxyalkyl group, R3 is C11-C21 hydrocarbyl group, n is 2 to 4 and X- is a suitable anion, such as an halide (e.g., chloride or bromide) or methyl sulfate.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com