Assertion: xanax | /r/HasProperty | synthesized by researcher
Facets:
value: in 1969
type: TEMPORAL
value: at upjohn
type: LOCATION
Source sentences:
text: Xanax was synthesized by researchers at Upjohn in 1969, but the drug didn’t come onto the market until 1981 after receiving U.S. Food and Drug Administration (FDA) approval.