manufactured utilizing techniques known in the art typically a therapeutic amount of the compound will be admixed with a pharmaceutically acceptable carrier for oral administration the compounds can be formulated into solid or liquid preparations such as capsules pills tablets lozenges melts powders suspensions or emulsions solid unit dosage forms can be capsules of the ordinary gelatin type containing for example surfactants lubricants and inert fillers such as lactose sucrose and cornstarch or they can be sustained release preparations in another embodiment the compounds of formula i can be tableted with conventional tablet bases such as lactose sucrose and cornstarch in combination with binders such as acacia cornstarch or gelatin disintegrating agents such as potato starch or alginic acid and a lubricant such as stearic acid or magnesium stearate liquid preparations are prepared by dissolving the active ingredient in an aqueous or nonaqueous pharmaceutically acceptable solvent which may also contain suspending agents sweetening agents flavoring agents and preservative agents as are known in the art for parenteral administration the compounds may be dissolved in a physiologically acceptable pharmaceutical carrier and administered as either a solution or a suspension illustrative of suitable pharmaceutical carriers are water saline dextrose solutions fructose solutions ethanol or oils of animal.