4-cyclopentylidene-3-phenyl-1,2-oxazol-5-one

6-甲基-2-苯基-喹唑啉

6'-methyl-2'-phenyl-3'H-spiro[cyclopentane-1,4'-quinazoline]

1-乙酰基-1-环戊烯

2-(4-methylphenyl)cyclopentan-1-one