2,4,6(1H,3H,5H)-Pyrimidinetrione, 5,5-diethyl-, compd. with 4-(dimethylamino)-1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one (1:2) 69401-33-8 ANTIPYRINE, 4-(DIMETHYLAMINO)- molecular complex with 5,5-DIETHYLBARBITURIC ACID Pyrabital