PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • No. 811,219, filed June 29, 1977, now abandoned, has the formula ##STR16## In the formula, each R1 is a C1 to C4 alkyl or hydroxyalkyl group, preferably a methyl group.
http://www.w3.org/ns/prov#wasQuotedFrom
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