Furo(2, 3-b)furan, hexahydro-

Furo(2, 3-b)furan-2(3H)-one, tetrahydro-6a-methyl-

Furo(2, 3-b)furan-3-acetonitrile, 2, 3, 3a, 6a-tetrahydro-2-hydroxy-5-nitro-2, 6a-bis(((2-oxo-3-oxoazolidinyl)imino)methyl)-

Furo(2, 3-b)quinolin-4(2H)-one, 3, 9-dihydro-2-(1-hydroxy-1-methylethyl)-8-methoxy-9-methyl-

Furo(2, 3-b)quinolin-4(9H)-one, 9-ethyl-7-methoxy-

Furo(2, 3-b)quinolin-4(9H)-one, 9-methyl-5, 7, 8-trimethoxy-

Furo(2, 3-b)quinolin-7-ol, 4-methoxy-8-(3-methyl-2-butenyl)-

Furo(2, 3-b)quinolin-8-ol, 4-methoxy-

Furo(2, 3-b)quinolin-8-ol, 4-methoxy-, acetate (ester)

Furo(2, 3-b)quinoline, 4-methoxy-7-((3-methyl-2-butenyl)oxy)-

Furo(2, 3-b)quinolinium, 2, 3-dihydro-2-(1-hydroxy-1-methylethyl)-4, 8-dimethoxy-9-methyl-, chloride, (S)-

Furo(2, 3-b)quinolinium, 2, 3-dihydro-4, 8-dimethoxy-9-methyl-2-(1-methylethyl)-, chloride

Furo(2, 3-b)quinolinium, 2, 3-dihydro-6-hydroxy-2-(1-hydroxy-1-methylethyl)-4-methoxy-9-methyl-, perchlorate (salt)

Furo(2, 3-c)pyridin-2(4H)-one, 5, 6, 7, 7a-tetrahydro-6, 7a-dimethyl-5-(4-methoxyphenyl)-, methanesulfonate

Furo(2, 3-c)pyridin-2(4H)-one, 5, 6, 7, 7a-tetrahydro-6, 7a-dimethyl-5-(4-methylphenyl)-, methanesulfonate

Furo(2, 3-c)pyridin-2(4H)-one, 5, 6, 7, 7a-tetrahydro-6, 7a-dimethyl-5-phenyl-, methanesulfonate

Furo(2, 3-d)pyrimidin-2(3H)-one, 3-(2-deoxy-beta-D-erythro-pentofuranosyl)-5, 6-dihydro-5-hydroxy-

Furo(2, 3-d)pyrimidin-2(3H)-one, 3-(2-deoxy-beta-D-erythro-pentofuranosyl)-5, 6-dihydro-5-hydroxy-

Furo(2, 3-d)pyrimidin-4-amine, 2-(ethylthio)-5-methyl-, monohydrobromide

Furo(2, 3-d)pyrimidin-4-amine, 5-methyl-2-(2-propenylthio)-