... solid.it 2,Molecular formula for C9H13N5O 3,CAS:27277-00-5 4,EINECS:248-383-5 This company produces the product for 10 ... - 4 - propyl - 4 h - [1,2,4] triazolo [1, 5 - a] pyrimidin - 5 - one vomit; Nauseant phosphodiesterase IV inhibitor soluble in dimethylformamide ... -6-methyl-4-propyl-4H-[1,2,4] triazolo [1,5-a]pyrimidin-5-one vomit; nauseant phosphodiesterase IV inhibitor 27277-00-5