42445-87-4 Barbituric acid, 5-ethyl-5-phenyl-1-(4-((1-pyrroldinylcarbonyl)methyl)-1-piperzinyl)- Pyrrolidine, 1-((4-(5-ethyl-5-phenyltetrahydro-2,4,6-trioxo-1(2H)-pyrimidinyl)-1-piperazinyl)acetyl)-