2-[3-oxo-5-(2-oxocyclopentyl)-1,5-diphenylpentyl]cyclopentan-1-one

2,2'-(1,5-bis(2-methoxyphenyl)-3-oxopentane-1,5-diyl)dicyclopentanone

2,6-bis(2-methoxyphenyl)bicyclo[5.2.1]decane-4,10-dione

2-三氟甲基环戊酮

3-(2-氧代环戊基)丙腈