1, 4-Bis(.beta.-hydroxyethoxy)-2-butyne 1, 4-Di(.beta.-hydroxyethoxy)-2-butyne 1606-85-5 2,2'-(2-Butyne-1, 4-diyldioxy)diethanol 2-((4-(2-Hydroxyethoxy)-2-butynyl)oxy)ethanol AIDS-125474 AIDS125474 Ethanol, 2, {2'-[2-butyne-1,4-diylbis(oxy)]bis-} Ethanol, 2,2'-(2-butynylenedioxy)di- NSC73709