About: http://webisa.webdatacommons.org/260487141

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	wherein R1, R2, R3, and R4 are each independently C1???C22 alkyl, C3???C22 alkenyl, R5???Q???(CH2)m???, wherein R5 is C1???C22 alkyl, and mixtures thereof, m is from 1 to about 6; X is an anion.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au