About: http://webisa.webdatacommons.org/291213339

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 above representative reactions, it will be understood that the R+ donor reactant can alternatively be R2 SO4, R'SO2 Cl or R3 SiQ, where Q is a halogen, such as Cl or Br.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au