1,3-Bis(4-(diethylamino)-2-butynyl)-5,5-diethylbarbituric acid dihydrochloride 3919-70-8 5,5-Diethyl-1,3-bis(4-diethylamino-2-butynyl)barbituric acid dihydrochloride BARBITURIC ACID, 1,3-BIS(4-(DIETHYLAMINO)-2-BUTYNYL)-5,5-DIETHYL-, 2HCl Barbituric acid, 1,3-bis(4-(diethylamino)-2-butynyl)-5,5-diethyl-, dihydrochloride