. "0"^^ . . . "110765566"@en-us . . "0"^^ . . . "114148348"@en-us . . "a heterocyclic organic compound with a penetrating odor"@en-us . "114999801"^^ . "a heterocyclic organic compound with a penetrating odor"@en-us . . "14999801-n"^^ . "pyrimidine"@en-us . . "pyrimidine"^^ . .