5, 10-Ethano-5, 10-dideazaaminopterin

5, 10-Methano-10H-dibenzo(a, d)cycloheptene-10, 12-dicarboxylic acid, 5, 11-dihydro-11-hydroxy-

5, 10-Methano-1H-indeno(1', 2':4, 5)pyrazolo(1, 2-a)(1, 2, 4)triazole-1, 3(2H)-dione, 4a, 5, 9b, 10-tetrahydro-2-phenyl-

5, 10-Methano-5H-dibenzo(a, d)cycloheptene, 10, 11-dihydro-12-anti-dimethylaminomethyl-, hydrochloride

5, 10-Methanobenzocyclooctene, 5, 10-dihydro-

5, 10-Methanobenzocyclooctene, 5, 6, 7, 10-tetrahydro-

5, 10-Methanobenzocyclooctene, 5, 6, 7, 8, 9, 10-hexahydro-

5, 10-Methanobenzocyclooctene, 5, 6, 9, 10-tetrahydro-

5, 10-Methenyltetrahydrofolate

5, 10-Methylene-5, 6, 7, 8-tetrahydro-8, 10-dideazaminopterin

5, 10-Methylenetetrahydro-5-deazafolic acid

5, 10-Methylenetetrahydrofolate polyglutamate

5, 10-Seco-19-norpregn-5-yne-3, 10, 20-trione

5, 10-Secoestr-5-yne-3, 10, 17-trione

5, 11, 13, 15-Tetrachlorotricyclo(8.2.2.24, 7)hexadeca-4, 6, 10, 12, 13, 15-hexaene

5, 11, 14, 17-Eicosatetraenoic acid

5, 11-Dichloro-3, 9-dimethyl-6, 12-dithia-1, 2, 3a, 4, 7, 8, 9a, 10-octaaza-dicyclopenta(b, i)anthracene

5, 11-Dichlorotricyclo(8.2.2.24, 7)hexadeca-4, 6, 10, 12, 13, 15-hexaene

5, 11-Didemethylellipticine

5, 11-Diethyl-5, 6, 11, 12-tetrahydrochrysene-2, 8-diol