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Et ça butine !

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Et ça butine !

Y
Yvette Richard

129 Views • Aug 04, 2013

Wikipedia Context

Butyne is an alkyne that contains 4 carbon and 6 hydrogen. It contains one triple bond and has two isomeric organic chemical compounds:1-Butyne (ethylacetylene) 2-Butyne (dimethylacetylene)

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Description

Bourdon sur une fleur

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