1H-1,4-Diazepine-5,7(2H,6H)-dione, dihydro-1,4-bis(phenylsulfonyl)-6,6-diethyl- 95050-21-8 Dihydro-1,4-bis(phenylsulfonyl)-6,6-diethyl-1H-1,4-diazepine-5,7(2H,6H)-dione