5-[3-[[(1S,4R,6S)-6-bicyclo[2.2.1]heptanyl]oxy]-4-methoxyphenyl]-1,3-diazinan-2-one 5-[4-methoxy-3-[(1S,2S,4R)-norbornan-2-yl]oxy-phenyl]hexahydropyrimidin-2-one 5-[4-methoxy-3-[[(1S,2S,4R)-2-norbornanyl]oxy]phenyl]-2-hexahydropyrimidinone 5-[4-methoxy-3-(2-norbornyloxy)phenyl]hexahydropyrimidin-2-one 5-[3-[[(1S,4R,6S)-6-bicyclo[2.2.1]heptanyl]oxy]-4-methoxy-phenyl]-1,3-diazinan-2-one