"0"^^ . "chemical formula"@en-us . . "0"^^ . . . . . "06816935-n"^^ . . . . "formula"@en-us . "formula"^^ . . "106398077"@en-us . . . . "106816935"^^ . . "a representation of a substance using symbols for its constituent elements"@en-us . "105105747"@en-us . . . . "a representation of a substance using symbols for its constituent elements"@en-us . . .