About: http://webisa.webdatacommons.org/125777843

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	Formula II or A' is absent as in Formula III and Y is a halogen, preferably chlorine. ##STR4##
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com