531-77-1 L,L-Asaline L-Valine, N-[N-acetyl-4-[bis(2-chloroethyl)amino]-L-phenyl-alanyl]-, ethyl ester NSC66610 Valine, N-[N-acetyl-3-[p-[bis(2-chloroethyl)amino]phenyl]-L-alanyl]-, ethyl ester, L-