80687-32-7 BRN 5578645 L-Proline, 1-(((2-chloroethyl)nitrosoamino)carbonyl)- N-((2-Chloroethyl)nitrosocarbamoyl)-L-proline N-(Chloro-2 ethyl)-N-nitrosocarbamyl-L-proline [French] Proline, N-((2-chloroethyl)nitrosocarbamoyl)-, L-