1-((Methylnitrosoamino)carbonyl)-L-prolyl-N-(2-chloroethyl)-L-leucinamide 83472-47-3 BRN 5636856 L-Leucinamide, 1-((methylnitrosoamino)carbonyl)-L-prolyl-N-(2-chloroethyl)- N-Methyl N-nitrosocarbamoyl L-prolyl L-leucine chloro-2 ethylamide [French]