2-tert-Butyloxirane 2245-30-9 3,3-Dimethylbutene oxide Butane, 1,2-epoxy-3,3-dimethyl- (8CI) EINECS 218-831-4 NSC 356829 Oxirane, (1,1-dimethylethyl)- (9CI) tert-Butylethylene oxide tert-Butyloxirane