wd_chemicals_discovery_date

• License: https://creativecommons.org/publicdomain/zero/1.0/

rq turtle/ttl

• chemicals

Chemicals discovery date.

Use at

• https://query.wikidata.org/sparql

PREFIX wdt: <http://www.wikidata.org/prop/direct/>
#title: Chemicals discovery date.
SELECT * WHERE {
  ?structure wdt:P235 ?structure_inchikey;
    wdt:P575 ?reference_date.
}

graph TD
classDef projected fill:lightgreen;
classDef literal fill:orange;
classDef iri fill:yellow;
  v3("?reference_date"):::projected 
  v1("?structure"):::projected 
  v2("?structure_inchikey"):::projected 
  v1 --"wdt:P235"-->  v2
  v1 --"wdt:P575"-->  v3