5-methyl-4-(methylthio)pyrrolo[1,2-f][1,2,4]triazine

5-Methyl-4-(methylthio)pyrrolo[1,2-F][1,2,4]triazine is a useful research chemical used as a reactant in the preparation of substituted pyrrolotriazine dual inhibitors of EGFR and HER2 protein tyrosine kinases.