52320-86-2 ALANINE, N-(((2-CHLOROETHYL)NITROSOAMINO)CARBONYL)-, DL- BRN 5545020 DL-Alanine, N-(((2-chloroethyl)nitrosoamino)carbonyl)- N-(((2-Chloroethyl)amino)carbonyl)-DL-alanine mononitroso deriv. N-(2-Chloroethyl)-1-nitrosocarbamoylalanine NSC 171564