Butindiol-1,4-bis(monoglykolether), 2-Butin-1,4-diol-bis-(2-hydroxy-ethyl)-ether, 1,4-Di(2-hydroxyethoxy)butyne-2, BUTYNEDIOL ETHOXYLATE, 2-Butyne-1,4-diol Bis(2-hydroxyethyl) Ether, 3,8-DIOXA-5-DECYNE-1,10-DIOL, 2,2'-but-2-ynylenedioxydiethanol, BUTYNEDIOL ETHOXYLATE (BEO), BEO, 2,2'-(But-2-yne-1,4-diylbis(oxy))diethanol, 1,4-Di(2-hydroxyethoxy)-2-butyne, BIS-HYDROXYETHYLETHER OF BUTYNEDIOL, 1,4-Bis(1-hydroxyethoxy)-2-butyne, 1,4-bis-(2-hydroxyethoxy)-2-butyne, Butynediol ethoxylate