exo-3-(3-methyl-1,2,4-oxadiazol-5-yl)-1-azabicylo<2.2.1>heptane
endo-3-(3-methyl-1,2,4-oxadiazol-5-yl)-1-azabicylo<2.2.1>heptane
endo-3-(3-amino-1,2,4-oxadiazol-5-yl)-1-azabicylo<2.2.1>heptane
exo-3-(3-amino-1,2,4-oxadiazol-5-yl)-1-azabicylo<2.2.1>heptane