PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I. Esters having the structure ##EQU2## wherein R1 is hydrogen, an alkyl group having from 1 to about 4 carbon atoms or a halogen, and R2 is an alkyl group having from 1 to about 8 carbon atoms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com