单词 | perylene |
释义 | perylenenoun per·y·lene ˈperəˌlēn plural -s : a yellow crystalline aromatic hydrocarbon C20H12 that is constituted of two naphthalene residues joined to each other through the peri-positions, that is found in small amounts in coal tar, and that can be made from naphthalene by the action of aluminum chloride |
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