"113783414"@en-us . "14620257-n"^^ . "halon"^^ . . "a compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and other halogen atoms; very stable; used in fire extinguishers although it is thought to release bromine that depletes the ozone layer"@en-us . . . "114620257"^^ . "0"^^ . . "halon"@en-us . . . . . "0"^^ . . . .