Compounds of the formula ##STR1## or a non-toxic acid addition salt thereof wherein R.sub.1 is alkyl of from 1 to 20 carbon atoms; R.sub.2 is alkyl of from 12 to 20 carbon atoms; R.sub.3 is selected from the group consisting of hydrogen and hydroxyalkyl of from 2 to 8 carbon atoms; and R.sub.4 is selected from the group consisting of hydrogen, alkyl of from 1 to 8 carbon atoms and hydroxyalkyl of from 2 to 8 carbon atoms, said compounds are useful for combating viral infections in vertebrate animals.
Compounds and compositions for promoting smoking cessation or descreasing tobacco use or nicotine addiction are provided. The compounds are 2'-fluoro-3'-(substituted phenyl) deschloroepibatidine analogs. The compounds have been found to modulate neuronal nicotine acetylcholine receptors and are useful in methods for the treatment of conditions or disorders influenced by the modulation of neuronal nicotinic acetylcholine receptors.