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单词 frangulin
释义 fran·gu·lin
\-lə̇n\ noun
(-s)
Etymology: International Scientific Vocabulary frangul- (from New Latin frangula) + -in; originally formed in German
: an orange crystalline glycoside C21H20O9 obtained especially from the bark of the alder buckthorn and yielding emodin and rhamnose on hydrolysis
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