The following DataNodes have no identifier: 5
http://classic.wikipathways.org/instance/WP2209_r117419 http://rdf.wikipathways.org/Pathway/WP2209_r117419/DataNode/d9f36 (3β-Hydroxy-9β-pimara-7,15-diene-19,6β-olide)
http://classic.wikipathways.org/instance/WP2209_r117419 http://rdf.wikipathways.org/Pathway/WP2209_r117419/DataNode/a9361 (9-beta-primara-7,15-diene)
http://classic.wikipathways.org/instance/WP2209_r117419 http://rdf.wikipathways.org/Pathway/WP2209_r117419/DataNode/da315 (Catalyst reactions)
http://classic.wikipathways.org/instance/WP2209_r117419 http://rdf.wikipathways.org/Pathway/WP2209_r117419/DataNode/b08f3 (Syn-copalyl Diphosphate)
http://classic.wikipathways.org/instance/WP2209_r117419 http://rdf.wikipathways.org/Pathway/WP2209_r117419/DataNode/aa3cd (Upregulation of gene expression)
More details at https://www.wikipathways.org/WikiPathwaysCurator/DataNodesTests/dataNodesWithoutIdentifier
The following DataNodes have Unknown @Type: 2
http://classic.wikipathways.org/instance/WP2209_r117419 http://rdf.wikipathways.org/Pathway/WP2209_r117419/DataNode/da315 (Catalyst reactions)
http://classic.wikipathways.org/instance/WP2209_r117419 http://rdf.wikipathways.org/Pathway/WP2209_r117419/DataNode/aa3cd (Upregulation of gene expression)