. "The novel products of this invention have the structural formula and pharmacologically acceptable salts thereof wherein R, R and R are similar or dissimilar groups selected from hydrogen and lower alkyl having from I to 5 carbon atoms, X is selected from halogen, particularly chloro or bromo, trifluoromethyl, and lower alkyl having advantageously from I to 3 carbon atoms and R is a diazine attache" . . . .