2-Pyrimidinecarboxylic acid, 4-amino-1,6-dihydro-6-oxo-
2-Pyrimidinecarboxylic acid, 4-amino-6-hydroxy-
2-Pyrimidinecarboxylic acid, 6-amino-1,4-dihydro-4-oxo-
4-Amino-1,6-dihydro-6-oxo-2-pyrimidinecarboxylic acid
4-Amino-2-carboxy-6-hydroxypyrimidine
NSC 56801