Furfuryl propionate was synthesized from furfuryl alcohol and propionyl chloride using hexahydropyridine as catalyst and anhydrous sodium bicarbonate as acid-caputor.
As these patient are often hypoxemic and acidotic, respiratory alkalosis can be induced as a temporizing measure, until the drug of choice sodium bicarbonate (Class IIa) can be used.
But they're really just positively-charged cations — like calcium, sodium, and potassium — and negatively-charged anions, like phosphate, sulfate, and bicarbonate.