CH3 - CH = CH - CH3 (cis 2 - butene and trans 2-butene) en Español.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

(pure) carbon monoxide ethyl acetate n-butene n-butyl alcohol gasoline n-hexane.    From Wordnik.com.  [8. Lighting Fittings] Reference

CH2 = CH - CH2 - CH3 (1 - butene).    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference

"molekul CCC=C" tuh "butene".    From Wordnik.com.  [Polimer Informatika, Agar Komputer Pintar Kimia – Netsains.Com] Reference

1.) 2,3 - dimethyl - 2 - butene.    From Wordnik.com.  [Yahoo! Answers: Latest Questions] Reference