9,10-Dihydrotetrabenzo(c,e,i,k)(1,2,7,8)tetraazacyclododecine

carbon monoxide

benzo[c]cinnolin-5-ium-5-yl(3-oxo-2,4,5-triphenyl-2,3-dihydro-1H-pyrrol-2-yl)amide

benzo[c]cinnolin-5-ium-5-yl(3-oxo-1,2,4,5-tetraphenyl-2,3-dihydro-1H-pyrrol-2-yl)amide

benzo[c]cinnolin-5-ium-5-yl(3-oxo-2,4,5-triphenyl-1-(p-tolyl)-2,3-dihydro-1H-pyrrol-2-yl)amide