4,5-DINITRO-9-OXO-9H-FLUORENE-2,7-DISULFONYL DICHLORIDE

4,5-DIPHENYL-1,2,3-THIADIAZOLE

4,5-DIPHENYL-1,2,3-THIADIAZOLE

4,5-DIPHENYL-2-MERCAPTOOXAZOLE

4,5-ETHYLENEDITHIO-1,3-DITHIOL-2-ONE

4,6-DIAMINO-2-METHYLMERCAPTOPYRIMIDINE

4,6-DICHLORO-1H-INDOLE-2-CARBONYL CHLORIDE

4,6-Dihydroxy-2-phenylpyrimidine

4,6-DIMETHYLNICOTINONITRILE