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单词 acetonaphthone
释义 ace·to·naph·thone
\-ˈnapˌthōn, -afˌth-\ noun
(-s)
Etymology: International Scientific Vocabulary acet- + napth- + -one
: either of two isomeric colorless crystalline ketones C10H7COCH3 — called also methyl naphthyl ketone
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