Phonetic and semantic blend: 'Li-ta-neng' approximates 'Ri-ta-lin,' while the characters happen to read as 'benefit-other-ability' — a flattering coincidence for a focus drug. Also written 利他林 (Lìtālín).
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Brand-name term used in pharmacies and clinical contexts. The generic chemical name is 哌甲酯 (pàijiǎzhǐ, methylphenidate).