2,6-Diamino-5-methyl-4-carboxy pyrimidine 2,6-Diamino-5-methyl-4-pyrimidinecarboxylic acid 20865-34-3 4-Pyrimidinecarboxylic acid, 2,6-diamino-5-methyl- NSC98527 WLN: T6N CNJ BZ DVQ E1 FZ