PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Compounds of formula I where R3 is other than hydrogen or methyl are preferably prepared from F (R'3 =hydrogen) by well-known electrophilic substitution reactions, e.g., chlorination, bromination, and nitration.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com