.alpha.-Butylene oxide 1,2-Butene oxide 1,2-Butylene oxide 1,2-Epoxybutane 1,2-Monoepoxybutane 1-Butene oxide 1-Butylene oxide 106-88-7 2-Ethyloxirane But-1-ene oxide Butane, 1,2-epoxy- Butylene oxide Ethylene oxide, ethyl- Ethylethylene oxide Ethyloxirane NCI-C55527 NSC24240 Oxirane, ethyl- WLN: T3OTJ B2 n-Butene-1,2-oxide