alpha-氧代-苯乙酸环己基酯

2-苯甲酰基苯并呋喃

2,3,4,5,7,7a-hexaphenyl-3a,4,7,7a-tetrahydro-1H-4,7-methanoindene-1,8-dione

2,3,5-triphenylcyclopenta-2,4-dien-1-one