(2-Butynylene)bis(triethylammonium) dichloride 2-Butyne-1,4-bis(triethylammonium chloride) aqueous solution 2-Butyne-1,4-diaminium, N,N,N,N',N',N'-hexaethyl-, dichloride (9CI) 73680-79-2 AMMONIUM, (2-BUTYNYLENE)BIS(TRIETHYL-, DICHLORIDE NSC 191764