D,L-Alanine, 3-[4-[bis(2-chloroethyl)amino]-3-chlorophenyl]- DL-Alanine, 3-(4-[bis(2-chloroethyl)amino]-3-chlorophenyl)- DL-Phenylalanine, 4-[bis(2-chloroethyl)amino]-3-chloro- MP 577 NSC42348