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Precursor
01
précurseur
someone or something that comes before another of the same type, acting as a sign of what will come next
02
précurseur
a substance from which another substance is formed (especially by a metabolic reaction)
Exemple
Historians often credit the dandy horse as a precursor to the modern bicycle, highlighting its significance in the evolution of personal transportation.
We have reacted the precursor compounds with specific reagents to yield the active pharmaceutical ingredient.
