act as diluents flavoring agents solubilizers lubricants suspending agents binders or tablet disintegrating agents it can also be encapsulating material in powders the carrier is a finely divided solid which is in admixture with the finely divided active compound in the tablet the active compound is mixed with a carrier having the necessary binding properties in suitable proportions and compacted in the shape and size desired the powders and tablets preferably contain from 5 to 10 to about 70 percent of the active ingredient suitable solid carriers are magnesium carbonate magnesium stearate talc sugar lactose pectin dextrin starch gelatin tragacanth methylcellulose a low melting wax cocoa butter and the like the term 34 preparation 34 is intended to include the formulation of the active compound with encapsulating material as carrier providing a capsule in which the active component with or without other carriers is surrounded by carrier which is thus in association with it similarly cachets are included tablets powders cachets and capsules can be used as solid dosage forms suitable for oral administration the compounds of the present invention may be administered orally buccally parenterally by inhalation spray rectally or topically in dosage unit formulations containing conventional nontoxic pharmaceutically acceptable carriers adjuvants and vehicles as desired the term parenteral as used herein includes subcutaneous injections intravenous intramuscular intrasternal injection or infusion techniques for preparing suppositories a low melting.