PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • from the group consisting of morpholine, N,N-diisopropylamine and --OCH2 CH2 CN, and X is an oxygen atom, a sulfur atom or a pair of electrons; wherein R1 and R2 are st
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com