80687-08-7 BRN 5562889 L-Threonine, N-(((2-chloroethyl)nitrosoamino)carbonyl)- N-((2-Chloroethyl)nitrosocarbamoyl)-L-threonine N-(Chloro-2 ethyl)-N-nitrosocarbamyl-L-threonine [French] Threonine, N-((2-chloroethyl)nitrosocarbamoyl)-, L-