利他林 Traditional form: 利他林 Pinyin (reading): Lìtālín Definitions: Ritalin (brand name) methylphenidate (stimulant drug used to treat ADHD) Characters: 利 - gains, advantage, profit, merit 他 - other, another; he, she, it 林 - forest, grove; surname Traditional characters: 利 - gains, advantage, profit, merit 他 - other, another; he, she, it 林 - forest, grove; surname