1,2-二苯甲酰基-1-苯基肼

6,6-二甲基-5-亚甲基-1,3-环戊二烯

6,6-Dimethylfulven-2,3-dicarbonsaeure-dimethylester

1,3,4,5-tetraphenylpyrazole

1,2,4,6,7,8,9-heptakis-phenyl-2,3-diazaspiro[4.4]nona-3,6,8-triene