. . "14787386-n"^^ . "polybutylene"@en-us . "113944529"@en-us . "a polymer of butylene; used in lubricants and synthetic rubber"@en-us . . . "0"^^ . . . . "polybutene"@en-us . "114787386"^^ . "0"^^ . "polybutylene"^^ . "110605140"@en-us . . . .