4-25-00-02714 (Beilstein Handbook Reference) 4-Chloro-6-ethyleneimino-2-beta-naphthylpyrimidine 6-Aziridino-4-chloro-2-(2-naphthyl)pyrimidine 64398-20-5 BRN 0260587 Pyrimidine, 6-aziridino-4-chloro-2-(2-naphthyl)-