2,4-diphenyl-6,7-dihydro-5H-cyclopenta[b]pyridine

1-methyl-2-oxocyclopentane-1-carbonitrile

2-hydroxy-1-methylcyclopentane-1-carbonitrile

2-氨基环戊烷甲腈

1,2,3,5,6,7-hexahydrodicyclopenta[2,1-b:2',1'-f]pyridin-8-amine,hydrate