a cis-3-alkyl-4-alkyloxetan-2-one <=> a cis-alkene + CO2
a cis-3-alkyl-4-alkyloxetan-2-one <=> a cis-alkene + co2
a cis-3-alkyl-4-alkyloxetan-2-one <=> a cis-alkene + CO2
a cis-3-alkyl-4-alkyloxetan-2-one <=> a cis-alkene + co2