PubChem

Trigger: !pubchem

Try it

Kagi would openhttps://www.ncbi.nlm.nih.gov/pccompound/?term=half+life

Run !pubchem in Kagi

URL pattern: https://www.ncbi.nlm.nih.gov/pccompound/?term=query

Searches www.ncbi.nlm.nih.gov, filed under Reference (science).

Other bangs for www.ncbi.nlm.nih.gov