| 单词 | piperonal |
| 释义 | piperonal [pǝ`per·ǝ´nal] ORGANIC CHEMISTRY C8H6O3 White crystals with a floral odor and a melting point of 35.5-37°C; soluble in alcohol and ether; used in medicine, perfumes, suntan preparations, and mosquito repellents. Also known as heliotropin. |
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