Assertion: ketamine | /r/HasProperty | synthesised in 1960
Facets:
value: for medical use
type: PURPOSE
value: as an anesthetic
type: MANNER
value: as part of an effort
type: TEMPORAL
Source sentences:
text: Ketamine was first synthesised in the 1960s as part of an effort to find a safer alternative to the anaesthetic phencyclidine, and it is still widely used as an anaesthetic.
text: Ketamine was first synthesized in the 1960s as an anesthetic, a sedative.
text: It was first synthesized in the 1960s for medical use, and was first used medicinally during the Vietnam war.