Assertion: alkaloid | /r/Synonym | narcotine
Facets:
value: in 1803
type: TEMPORAL
value: afterwards
type: TEMPORAL
Source sentences:
text: The French apothecary Derosne probably isolated the alkaloid afterwards known as narcotine in 1803 and the Hanoverian apothecary Sertürner further investigated opium and isolated morphine (1806, 1816).