About: http://webisa.webdatacommons.org/138516278

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	The naphthalenesulfonyl halides to be used are represented by the general formula R'--SO2 X, wherein R' is the same as in formula (I) and X is a halogen atom such as chlorine or bromine.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com