Synonyms: Butane,2,3-epoxy-, (2R,3R)- (8CI); Oxirane, 2,3-dimethyl-, (2R-trans)-;(+)-trans-2,3-Epoxybutane; (2R,3R)-(+)-2,3-Epoxybutane; (2R,3R)-(+)-Dimethyloxirane;(2R,3R)-2,3-Dimethyloxirane; (2R-trans)-2,3-Dimethyloxirane;(R,R)-(+)-2,3-Dimethyloxirane; (R,R)-2,3-Dimethyloxirane;(R,R)-trans-2,3-Dimethyloxirane; (R,R)-trans-2,3-Epoxybutane;D-(+)-2,3-Epoxybutane