单词	phthalonitrile
释义	phthalonitrile noun phthal·​o·​nitrile ¦thalō+ : a crystalline compound C6H4(CN)2 made usually by heating phthalic anhydride and ammonia under dehydrating conditions and used chiefly in making phthalocyanines Word History Etymology International Scientific Vocabulary phthal- + nitrile
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