| 单词 | benzopyrene |
| 释义 | benzopyrene [¦ben·zō¦pī´rēn] ORGANIC CHEMISTRY C20H12 A five-ring aromatic hydrocarbon found in coal tar, in cigarette smoke, and as a product of incomplete combustion; yellow crystals with a melting point of 179°C; soluble in benzene, toluene, and xylene. |
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