4,6-Bis(1-aziridinyl)-5-nitro-2-phenylpyrimidine 4-25-00-03001 (Beilstein Handbook Reference) 5-Nitro-4,6-bis-ethyleneimino-2-phenylpyrimidine 64440-99-9 BRN 0043243 Pyrimidine, 4,6-bis(1-aziridinyl)-5-nitro-2-phenyl-