The story
From diiso(propyl) + pyr(idine) + (butan)amide.
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A cardiac depressant administered in the form of its phosphate C₂₁H₂₉N₃O·H₃PO₄ in the treatment of life-threatening ventricular arrhythmias. Full definition →
From diiso(propyl) + pyr(idine) + (butan)amide.
Etymology from Wiktionary, CC BY-SA 4.0.