2,3-BUTANEDIOL2,3-Butylene glycolDimethylene glycol2,3-DihydroxybutaneButan-2,3-diol2,3-Butanediol2,3-丁二醇2,3-丁烯二醇Pseudobutylene glycolDimethylene glycol2,3-Butylene glycolbutane-2,3-diolDimethylethylene glycol2,3-DihydroxybutaneSym-dimethylethylene glycol2,3-Butanediol