90948-83-7 BRN 2293969 Hydrazinesulfonamide, 2-(1-carboxybutyliden-3-yl)-N,N-bis-(2-chloroethyl)- Laevulinsaure-bis-(2-chloraethyl)-sulfamidsaure-hydrazon [German] Levulinic acid, 4-((N,N-bis(2-chloroethyl)sulfamoyl)hydrazone) Levulinic acid, hydrazone, N-(N,N-bis(2-chloroethyl)sulfamoyl)-