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咖啡碱
释义
咖啡碱
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理学
咖啡碱
释
caffeine
咖啡碱
分子式C8H10N4O2。属嘌呤类生物碱。存在于茶叶、咖啡和可可中。又称咖啡因。
Chemistry
>有机化学>天然产物及药物>释义
caffeine
咖啡碱
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Yin Xian
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Yinxian Sect of Taoism
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Yinxiuxuan Collection
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Yinxue Wushu (Five Works on Phonology), 13 volumes
Yin Xu World Culture Heritage
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yin yang classification of natural phenomena
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yin-yang effect
yin-yang grid
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yin-yang vital activity
Yinyuan
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