<http://schema.org/dateModified>
"2014-01-12T16:50:37Z"^^<http://schema.org/Date>
<http://chemwiki.ucdavis.edu/Organic_Chemistry/Organic_Chemistry_With_a_Biological_Emphasis/Chapter_13%3A_Reactions_with_stabilized_carbanion_intermediates_I/Section_13.2%3A_Isomerization_reactions>