1,2-Epoxy-3-butene 1,2-Epoxybutene-3 1,2-Oxido-3-butene 1,3-Butadiene oxide 1-Butene, 3,4-epoxy- 3,4-Epoxy-1-butene 3,4-Epoxybut-1-ene 930-22-3 Butadiene epoxide Butadiene monoepoxide Butadiene monooxide Butadiene monoxide Butadiene oxide Ethenyloxirane NSC8023 Oxirane, ethenyl- Vinylethylene oxide Vinyloxirane WLN: T3OTJ B1U1