英文名称:b-Alanine, N-(2-aminoethyl)-,sodium salt (1:1), polymer with 1,6-diisocyanatohexane and 2-methyloxiranepolymer with oxirane monobutylether, caproloactam-blocked; b-Alanine, N-(2-aminoethyl)-,monosodium salt, polymer with 1,6-diisocyanatohexane and methyloxiranepolymer with oxirane monobutylether, caproloactam-blocked