Butane,1,2-epoxy-2-methyl, 2-methylbut-1-ene epoxide, (+/-)-2-ethyl-2-methyloxirane, rac-1,2-epoxy-2-methylbutane, 1,2-Epoxy-2-methyl-butan, 2-Methyl-1-butene oxide, 2-Methyl-2-ethyloxirane, 1,2-epoxy-2-methyl-butane, 2-methyl-1,2-epoxybutane, Oxirane, 2-ethyl-2-methyl-