. . "0"^^ . "barbituric acid"^^ . . . . "114772716"^^ . . "0"^^ . "113930153"@en-us . . . "110592278"@en-us . "barbituric acid"@en-us . "a white crystalline acid derived from pyrimidine; used in preparing barbiturate drugs"@en-us . "malonylurea"@en-us . . . . "14772716-n"^^ .