. "a colorless odorless gas used as a fuel"@en-us . "methane"@en-us . . "0.276089"^^ . . . "0.0502134"^^ . "0.123385"^^ . . "a colorless odorless gas used as a fuel"@en-us . . . "114951229"^^ . . . "0"^^ . . "14951229-n"^^ . . "110728170"@en-us . . "0.0812974"^^ . . "0.0478518"^^ . "0.158023"^^ . . "methane"^^ . "114101092"@en-us . "0.0566497"^^ . . "0"^^ . . "0.20649"^^ .