2,4-Diamino-5-phenyl-6-ethylpyrimidine 2,4-Diamino-6-ethyl-5-phenylpyrimidine 27653-49-2 5-25-12-00255 (Beilstein Handbook Reference) BRN 0190097 Pyrimidine, 2,4-diamino-6-ethyl-5-phenyl-