Assertion: methamphetamine | /r/HasProperty | synthesized by pharmacologist akira ogata
Facets:
value: in 1919
type: TEMPORAL
value: via reduction of ephedrine
type: MANNER
Source sentences:
text: Three decades later, in 1919, methamphetamine hydrochloride was synthesized by pharmacologist Akira Ogata via reduction of ephedrine using red phosphorus and iodine.