Assertion: cocaine | /r/HasProperty | isolated
Facets:
value: in 1859
type: TEMPORAL
value: in 1860
type: TEMPORAL
value: by german chemist albert niemann
type: OTHER
value: from the leaves
type: LOCATION
Source sentences:
text: Cocaine was first isolated from the leaves in 1860.
text: Cocaine was first isolated (extracted from coca leaves) in 1859 by German chemist Albert Niemann.
text: Cocaine was first isolated (extracted from coca leaves) by German chemist Albert Niemann in 1859.