1H-Purine, 2, 6-bis(methylthio)-

1H-Purine, 2-((2, 4-dinitrophenyl)thio)-

1H-Purine, 6, 6'-(1, 4, 10, 13-tetraoxa-7, 16-diazacyclooctadecane-7, 16-diyl)bis(2, 8-dichloro-

1H-Purine, 6, 6'-(1, 4, 10, 13-tetraoxa-7, 16-diazacyclooctadecane-7, 16-diyl)bis-

1H-Purine, 6, 6'-(1, 4, 10-trioxa-7, 13-diazacyclopentadecane-7, 13-diyl)bis(2, 8-dichloro-

1H-Purine, 6, 6'-(1, 4, 10-trioxa-7, 13-diazacyclopentadecane-7, 13-diyl)bis-

1H-Purine, 6-((2-methyl-5-nitro-1H-imidazol-4-yl)thio)-

1H-Purine, 6-chloro-, monohydrochloride

1H-Purine, 8-(2, 4-dimethoxyphenyl)-

1H-Purine, 8-(2-methoxy-4-(methylsulfinyl)phenyl)-

1H-Purine, 8-(2-methoxy-4-(methylthio)phenyl)-

1H-Purine, 8-(4-chloro-2-methoxyphenyl)-, monohydrochloride

1H-Purine, 8-(4-methoxy-2-(2-(methylsulfinyl)ethoxy)phenyl)-

1H-Purine, 8-(4-methoxy-2-(2-(methylthio)ethoxy)phenyl)-

1H-Purine, 8-(4-nitrophenyl)-

1H-Purine-1-acetic acid, 2, 3, 6, 7-tetrahydro-3, 7-dimethyl-2, 6-dioxo-, 2-(1, 3-dimethyl-2, 6-dioxo-1, 2, 3, 6-tetrahydro-7H-purin-7-yl)ethyl ester

1H-Purine-2, 6, 8(3H)-trione, 7, 9-dihydro-, ammonium salt (1:1)

1H-Purine-2, 6, 8(3H)-trione, 7, 9-dihydro-, monosodium salt, monohydrate

1H-Purine-2, 6, 8(3H)-trione, 7, 9-dihydro-1, 3, 7, 9-tetrakis(hydroxymethyl)-

1H-Purine-2, 6, 8(3H)-trione, 7, 9-dihydrobis(hydroxymethyl)-