Assertion: methamphetamine | /r/HasProperty | synthesized in japan
Facets:
value: by chemist a. ogata
type: OTHER
value: a drug commonly used
type: OTHER
value: from ephedrine
type: LOCATION
Source sentences:
text: Methamphetamine (MA), a variant of amphetamine, was first synthesized in Japan in 1893 by Nagayoshi Nagai from the precursor chemical ephedrine.
text: Meth was first synthesized in Japan in the early 20th century, following the earlier development of amphetamine in Germany.
text: Methamphetamine was first synthesized in Japan in the late 1800s from ephedrine, a drug commonly used to treat asthma.
text: Methamphetamine was first synthesized in 1919 in Japan by chemist A. Ogata.