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单词 piperylene
释义 piper·y·lene
\pīˈperəˌlēn, pə̇ˈp-; ˈpipər-\ noun
(-s)
Etymology: International Scientific Vocabulary piperidine + -ylene
: an oily diolefin hydrocarbon CH3CH = CHCH = CH2 isomeric with isoprene formed in the cracking of petroleum and also made synthetically (as by exhaustive methylation of piperidine); 1,3-pentadiene
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