2387-48-6 4(1H)-Pyrimidinone, 2,6-diamino-5-nitroso- 4-Pyrimidinol, 2,6-diamino-5-nitroso- 4-Pyrimidol, 2,6-diamino-5-nitroso NSC9301 WLN: T6N CNJ BZ DZ ENO FQ