PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Moreover, the organic ammonium is a group represented by the formula NR4+, wherein R represents a hydrogen atom or an alkyl group such as methyl or ethyl or an alkyl group where a part of hydrogen atoms is replaced by the other group(s) and at least one of the R groups is not a hydrogen atom.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com