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Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: The oxycodone metabolite (4R,4aS,7aR,12bS)-4a-hydroxy-9-methoxy-1,2,3,4,5,6,7a,13-octahydro-4,12-methanobenzofuro[3,2-e]isoquinoline-7-one. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.