The following DataNodes have no identifier: 3
http://classic.wikipathways.org/instance/WP3149_r117622 http://rdf.wikipathways.org/Pathway/WP3149_r117622/DataNode/e4553 (3-carboxy-1-
hydroxypropyl-ThPP)
http://classic.wikipathways.org/instance/WP3149_r117622 http://rdf.wikipathways.org/Pathway/WP3149_r117622/DataNode/ddcee (Dihydro-
lipoamide-E)
http://classic.wikipathways.org/instance/WP3149_r117622 http://rdf.wikipathways.org/Pathway/WP3149_r117622/DataNode/f83d7 (S-Succinyl-
dihydrolipoamide-E)
More details at https://www.wikipathways.org/WikiPathwaysCurator/DataNodesTests/dataNodesWithoutIdentifier