Ritalin
来自Big Physics
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wiktionary
Trade name from the 1940s, named after Rita, the wife of the chemist who synthesized it.
etymonline
Ritalin (n.)
central nervous system stimulant, a proprietary name (Ciba Ltd., originally in Switzerland) for the drug methylphenidate hydrochloride. It was trademarked 1948, years before the drug itself was marketed.
