2,3-Butanedione, 2-((N,N-bis(2-chloroethyl)sulfamoyl)monohydrazone) 90202-60-1 BRN 2290354 Diacetyl-mono-(bis-(2-chloraethyl)-sulfamidsaure-hydrazon) [German] HYDRAZINESULFONAMIDE, N,N-BIS(2-CHLOROETHYL)-2-(3-OXO-2-BUTYLIDENE)-