Assertion: amphetamine | /r/HasProperty | synthesised in late 1800s
Facets:
value: according to the center for substance
type: OTHER
Source sentences:
text: Amphetamine was first synthesised in the late 1800s.
text: According to the Center for Substance Abuse Research, amphetamine was first synthesized in Germany in the late 1800s; however, its stimulant properties were not really discovered until about the 1930s, when it began to be used to treat nasal congestion.