"a polymer containing repeated amide groups"@en-us . . "a polymer containing repeated amide groups"@en-us . "polyamide"@en-us . "polyamide"^^ . . "14966058-n"^^ . . "0"^^ . . "114966058"^^ . . . "polymeric amide"@en-us . . . . "114115279"@en-us . "0"^^ . .