1-(((2-Chloroethyl)nitrosoamino)carbonyl)-L-prolyl-L-leucinamide 83472-40-6 BRN 5637862 L-Leucinamide, 1-(((2-chloroethyl)nitrosoamino)carbonyl)-L-prolyl- N-(Chloro-2 ethyl) N-nitrosocarbamoyl L-prolyl L-leucinamide [French]