SPARQL | HTML5 RDFa and Microdata document
http://rdf.wikipathways.org/Pathway/WP4157_r128244/Comment/f60d54cc62aa6bd155956b08f57237cc
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://vocabularies.wikipathways.org/gpml#Comment
http://purl.org/dc/terms/isPartOf
http://rdf.wikipathways.org/Pathway/WP4157_r128244/DataNode/bb9da
http://vocabularies.wikipathways.org/gpml#commentText
aka 4-hydroxybutanal
http://rdf.wikipathways.org/Pathway/WP4157_r128244/DataNode/bb9da
http://vocabularies.wikipathways.org/gpml#hasComment
http://rdf.wikipathways.org/Pathway/WP4157_r128244/Comment/f60d54cc62aa6bd155956b08f57237cc