1-(4-methylphenyl)-3a,4,5,9b-tetrahydrobenzo[e][1,2]benzoxazole

3-(4-methylphenyl)-3a,4,5,9b-tetrahydrobenzo[g][1,2]benzoxazole

3,5-bis(4-methylphenyl)-4-oxido-1,2,4-oxadiazol-4-ium

2-(4-methylphenyl)-[1,2,4]triazolo[1,5-a]pyridine

2-(4-methylphenyl)-3-oxido-[1,2,4]triazolo[1,5-a]pyridin-3-ium