3,5-diphenyl-4-phenylazo-(2H)-1,2,6-thiadiazine 1,1-dioxide
3,5-diphenyl-4-(phenylazo)isoxazole
(3,5-Diphenyl-4-phenylazo-pyrazol-1-yl)-pyridin-2-yl-methanone
(3,5-Diphenyl-4-phenylazo-pyrazol-1-yl)-pyridin-4-yl-methanone
2-oxo-4,6-diphenyl-5-(phenyldiazenyl)-1,2-dihydropyridine-3-carbonitrile