"0"^^ . "a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine"@en-us . . . . "uracil"@en-us . "a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine"@en-us . "U"@en-us . . . . . . "uracil"^^ . "15084357-n"^^ . . "115084357"^^ . . "0"^^ . "114229856"@en-us . .