phthalic anhydride
plural of Bertholf
(organic chemistry) The acid anhydride of phthalic acid; manufactured by the oxidation of xylene or naphthalene, widely used in the synthesis of dyes, insecticides, plasticizers and pharmaceuticals.
That smiles or has a smile.
In a cheesy manner
技術者は合成を始める前に、フタル酸無水物の試料を慎重に計量した。
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