. "0"^^ . "113814404"@en-us . "14653242-n"^^ . "NAN"^^ . . . "NAN"^^ . "NAN"^^ . "atomic number 44"@en-us . "a rare polyvalent metallic element of the platinum group; it is found associated with platinum"@en-us . "NAN"^^ . . "ruthenium"@en-us . "ruthenium"^^ . . . . . "NAN"^^ . . "NAN"^^ . "NAN"^^ . . "a rare polyvalent metallic element of the platinum group; it is found associated with platinum"@en-us . "Ru"@en-us . . . . "114653242"^^ . "NAN"^^ . "0"^^ . .