... chemical name for 2 - amino - 6 methyl - 4 - normal propyl - 4, 5 - dihydro - [1,2,4] triazole - [1, 5) and pyrimidine - 5 - ketone ... 4.0 x 10-3 pa 25 °C melting point is 163-165 °C English name for Amio - 6-2 - methyl - 4 - propyl - 4 h - [1,2,4] triazolo [1, 5 ... - a] pyrimidin - 5 ...