Smelling salts.
McCrory
P
P
D002254:Carbonates / Q000009:adverse effects / Q000627:therapeutic use; D006801:Humans; D010476:Perfume / Q000009:adverse effects / Q000627:therapeutic use; D012903:Smell; D013177:Sports
D002254:Carbonates; D010476:Perfume; C040502:ammonium carbonate