1,1'-(5-Methylpyrimidine-2,4-diyl)diguanidine 31414-50-3 5-25-12-00130 (Beilstein Handbook Reference) BRN 0920681 GUANIDINE, 1,1'-(5-METHYLPYRIMIDINE-2,4-DIYL)DI- Pyrimidine, 2,4-diguanidino-5-methyl-