1-methyl-2,3,4,5-tetraphenyl-2,4-cyclopentadien-1-ol
1-(2,3,4,5-tetraphenyl-cyclopenta-2,4-dienylmethyl)-piperidine
methyl iodide
2,3,4,5-tetraphenylcyclopenta-2,4-dienone
formaldehyd
1-(2,3,4,5-tetraphenyl-cyclopenta-2,4-dienylmethyl)-piperidine
1-Benzoyl-4,5,6,7-tetraphenylspiro<2.4>-4,6-heptadien
4,5,6,7-Tetraphenylspiro<2.4>hepta-4,6-dien
1,3,6,7,8,9-Hexaphenyl-2-azaspiro<4.4>nona-1,6,8-trien
2-Methyl-1,3,6,7,8,9-hexaphenyl-2-azaspiro<4.4>nona-3,6,8-trien