... for 2 - amino - 6 methyl - 4 - normal propyl - 4, 5 - dihydro - [1,2,4] triazole - [1, 5) and pyrimidine - 5 - ... English name for Amio - 6-2 - methyl - 4 - propyl - 4 h - [1,2,4] triazolo [1, 5 - a] pyrimidin - 5 - one vomit ... ; Nauseant phosphodiesterase IV inhibitor soluble in dimethylformamide, dichloromethane, methanol slightly soluble in ...