Cyclopent(hi)aceanthrylene

Cyclopent(hi)acephenanthrylene

Cyclopent(ij)isoquinoline, 1, 2, 3, 7, 8, 8a-hexahydro-1-methyl-, hydrochloride

Cyclopent-1-ene-1, 2-dicarbonitrile

Cyclopent-1-ene-1-acetonitrile

Cyclopent-2-en-1-one, 3-(4-fluorophenyl)-5-methyl-

Cyclopent-2-en-1-one-ethyleneacetal

Cyclopent-2-ene-1, 5-dione

Cyclopent-2-enylacetic acid

Cyclopent-3-en-1-one

Cyclopent-3-ene, 1, 1-dimethoxy-1-sila-

Cyclopent-4-ene-1, 2, 3-trione

Cyclopenta(4, 5)pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 4, 7, 8, 9-tetrahydro-10-cyano-4-oxo-, ethyl ester

Cyclopenta(4, 5)pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 4, 7, 8, 9-tetrahydro-10-cyano-9-((dimethylamino)methylene)-4-oxo-, ethyl ester

Cyclopenta(4, 5)pyrido(1, 2-a)pyrimidine-3-carboxylic acid, 4, 7, 8, 9-tetrahydro-4-oxo-, ethyl ester

Cyclopenta(5, 6)naphtho(2, 1-d)tetrazolo(1, 5-alpha)azepin-1-ol, 1alpha, 2, 3, 3aalpha, 3bbeta, 4, 5, 11, 12, 12a, 12balpha, 13, 14, 14a-tetradecahydro-12abeta, 14abeta-dimethyl-

Cyclopenta(5, 6)pyrido(2, 3-d)pyrimidine, 2, 4-diamino-

Cyclopenta(a)phenanthracen-17-one, 15, 16-dihydro-11-hydroxy-, acetate (ester)

Cyclopenta(a)phenanthren-15-one, 16, 17-dihydro-11-methyl-

Cyclopenta(a)phenanthren-17-one, 15, 16-dihydro-11, 12-dimethyl-