5-(4-bromophenyl)-3-phenyl-1,2,4-oxadiazole

1-oxido-2-phenylpyrimidin-1-ium

4-chlorodithiazol-5-one

4-chloro-5H-1,2,3-dithiazole-5-thione

5-Cyano-3-phenyl-1,2,4-thidiazole-4-oxide