. "113954551"@en-us . "110614185"@en-us . . "an odorless very poisonous gas that is a product of incomplete combustion of carbon"@en-us . . . "114797641"^^ . . . "0"^^ . "14797641-n"^^ . "carbon monoxide gas"@en-us . . "carbon monoxide"^^ . . "carbon monoxide"@en-us . . . "0"^^ . . "CO"@en-us .