1H-1,4-Diazepine-5,7(2H,6H)-dione, dihydro-1,4-bis(phenylmethyl)-6-ethyl-6-(1-methylethyl)- 95035-90-8 Dihydro-1,4-bis(phenylmethyl)-6-ethyl-6-(1-methylethyl)-1H-1,4-diazepine-5,7(2H,6H)-dione