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单词 naphthyl
释义 naph·thyl
\ˈnafˌthil, ÷ˈnapˌ-\ noun
(-s)
Etymology: International Scientific Vocabulary naphth- + -yl
: either of two univalent hydrocarbon radicals C10H7 derived from naphthalene:
 a. : the radical derived by removal of a hydrogen atom in the alpha or 1-position — called also alpha-naphthyl, 1-naphthyl
 b. : the radical derived by removal of a hydrogen atom in the beta or 2-position — called also beta-naphthyl, 2-naphthyl
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