SEARCH Articles Figures Tables Butenes, Isomerism Cis-trans isomerization of 2-butenes Isomeric butenes Isomerization 1-butene Isomerization of 1-butene Isomerization of 1-butene Isomerization of n-butenes Isomerization polymerization of 3-methyl-l-butene Of 1-butene Skeletal isomerization of n-butenes