5(4H)-Oxazolone, 4, 4'-(1, 4-phenylenedimethylidyne)bis(2-phenyl-

5(4H)-Oxazolone, 4-((4-(acetyloxy)-3-methoxyphenyl)methylene)-2-methyl-

5(4H)-Thebenidinone

5(6)-1(2H)-Phthalazinonyl-4(1H)-benzimidazole-2-carbamate methyl ester

5(6)-Carboxy-2', 7'-dichlorofluorescein

5(6)-Epoxyprostaglandin E1alpha

5(6)-Epoxyprostaglandin F1alpha

5(6)-Isobutylsulfinyl-2-carbomethoxyaminobenzimidazole

5(6H)-Benzocyclooctenone, 7, 8, 9, 10-tetrahydro-6-((dimethylamino)methyl)-, hydrochloride

5(6H)-Quinolinone, 7, 8-dihydro-

5(6H)-Quinolinone, 7, 8-dihydro-4-methyl-

5(8H)-Naphthacenone, 10-((3-amino-2, 3, 6-trideoxy-alpha-L-arabino-hexopyranosyl)oxy)-7, 9, 10, 12-tetrahydro-6, 8, 11-trihydroxy-8-(2-hydroxyethyl)-12-imino-1-methoxy-, (8R, 10S)-

5(Alpha-bromoacetyl)-2'-deoxyuridine 5'-phosphate

5(E)-(2-Bromovinyl)-1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)cytosine

5(E)-(2-Carboxyvinyl)-1-(2-deoxy-2-fluoro-beta-D-arabinofuranosyl)cytosine

5(eller6)-tert-Butyl-2'-chlor-6'-ethylamino-3', 7'-dimethylspiro(isobenzofuran-1(1H), 9'-xanthen)-3-on

5(or 4)-Hexenoic acid, 4(or 6)-(acetyloxy)-

5(Or 6)-((2-chloroethyl)sulphonyl)bicyclo(2.2.1)heptane-2-carbonylchloride

5(OR 6)-Butyl-p-dioxan-2-one

5(Or 6)-carboxy-4-hexylcyclohex-2-ene-1-octanoic acid, compound with 2, 2'-iminodiethanol