1H-1,4-Diazepine-5,7(2H,6H)-dione, dihydro-1,4-bis(phenylmethyl)-6-ethyl-6-phenyl- 95035-91-9 Dihydro-1,4-bis(phenylmethyl)-6-ethyl-6-phenyl-1H-1,4-diazepine-5,7(2H,6H)-dione