91139-13-8 ACETOACETIC ACID, ETHYL ESTER, 3-((N,N-BIS(2-CHLOROETHYL)SULFAMOYL)HYDRAZONE) Acetessigester-bis-(2-chloraethyl)-sulfamidsaure-hydrazon [German] BRN 2297674 Hydrazinesulfonamide, 2-(1-ethoxycarbonyl-2-propylidenyl)-N,N-bis(2-chloroethyl)-