Assertion: amphetamine | /r/HasProperty | synthesized by german chemists
Facets:
value: in the late 1880s
type: TEMPORAL
Source sentences:
text: First synthesized by German chemists in the late 1880s, amphetamine remained relatively ignored for more than 40 years, until the company Smith, Kline, and French began marketing Benzedrine as a decongestant in the early 1930s.