SPARQL query to link Wikidata and Wikipathways with an InchiKey

WD_WP_inchiKey.sparql

#QUERY <http://sparql.wikipathways.org>

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
PREFIX wd: <http://www.wikidata.org/entity/>
PREFIX p: <http://www.wikidata.org/prop/>
PREFIX wikibase: <http://wikiba.se/ontology#>
PREFIX bd: <http://www.bigdata.com/rdf#>

SELECT DISTINCT str(?inchikeyLit) as ?inchikey str(?pathwayIDLit) as ?pathwayID WHERE {
 SERVICE <https://query.wikidata.org/bigdata/namespace/wdq/sparql> {
   ?wd_compound wdt:P235 ?inchikeyLit .
 }
 ?wp_compound wp:bdbWikidata ?wd_compound .
 ?wp_compound dcterms:isPartOf ?pathway .
 ?pathway a wp:Pathway ;
    dcterms:identifier ?pathwayIDLit .
}