1,1-环戊烷二羧酸二甲酯

[cyclopentylidene(phenyl)methyl]benzene

1-cyclopentyl-3,4-dihydroisoquinolin-7-amine

1-cyclopentyl-1,2,3,4-tetrahydroisoquinolin-7-amine

(4-bromo-2-hydroxyphenyl)-cyclopentylmethanone