4-oxido-3,5-diphenyl-1,2,4-oxadiazol-4-ium

1-(4-甲氧基苯基)-3-苯基脲

3-(4-甲氧基苯基)-5-苯基-1,2-恶唑

3-(4-methoxyphenyl)-5-(phenylselanylmethyl)-4,5-dihydro-1,2-oxazole

3,5-二苯基-1,2,4-恶二唑