phenylalanine,carboxyanhydride,alanine
Alanine
100545-61-7.beta.-Alanine, N-(2-aminoethyl)-, monosodium salt, polymer with 1,4-butanediol, 1,6-diisocyanatohexane, 1,3-diisocyanatomethylbenzene, 2,2-dimethyl-1,3-propanediol, hexanedioic acid and 1,6-hexanediol