Ethanol,2,2'-(2-butynylenedioxy)di- (6CI,7CI,8CI);1,4-Di(b-hydroxyethoxy)-2-butyne;2,2'-(2-Butyne-1,4-diyldioxy)diethanol;2-Butyne-1,4-diol, bis(b-hydroxyethyl) ether;Ferasine;NSC 73709;Butynediol ethoxylate;
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