8-(Propylthio)-3,7-dihydro-1,3-dimethyl-6-thio-1H-purin-2-one
8-Butylthio-1,3-dimethyl-6-thioxo-1,6-dihydro-7H-purin-2(3H)-one
8-(Allylthio)-6,7-dihydro-1,3-dimethyl-6-thioxo-1H-purin-2(3H)-one
8-[(sec-Butyl)thio]-6,7-dihydro-1,3-dimethyl-6-thioxo-1H-purin-2(3H)-one
8-(Cyclohexylthio)-1,3-dimethyl-6-thioxo-1,6-dihydro-7H-purin-2(3H)-one
8-[(2-Pyridylmethyl)thio]-3,7-dihydro-1,3-dimethyl-6-thio-1H-purin-2-one
8-[(3-Pyridylmethyl)thio]-3,7-dihydro-1,3-dimethyl-6-thioxo-1H-purin-2-one
8-[(4-Pyridylmethyl)thio]-3,7-dihydro-1,3-dimethyl-6-thioxo-1H-purin-2-one
8-[(2-Piperidinoethyl)thio]-3,7-dihydro-1,3-dimethyl-6-thioxo-1H-purin-2-one
8,9-dimethyl-2,5,7,10-tetrazabicyclo[4.4.0]deca-1,3,5,7,9-pentaene
8-[[4-(Acetylamino)phenyl]amino]-5-cyclohexylamino-9,10-dihydro-9,10-dioxoanthracene-2-sulfonic acid sodium salt
8-Hydroxy-7-[[4'-[(2-hydroxy-1-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-1,3,6-naphthalenetrisulfonic acid trisodium salt
8-[(2,4-Dihydroxyphenyl)azo]-5-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]naphthalene-2-sulfonic acid sodium salt
8-(2,5-dimethyl-4-chlorophenylsulfonamido)-1-naphthol-3,6-disulfonic acid
8-[Acetoxymercurio(II)]-1,2,3,6-tetrahydro-1,3-dimethyl-7H-purine-2,6-dione
8-ethyl-8-nitro-6,10-dioxaspiro[4.5]decane
8-(2,5-dichlorobenzamido)-1-naphthol-3,5-disulfonic acid
8-(Cyclohexylthio)-1,3-dimethyl-2-thioxo-2,3-dihydro-7H-purin-6(1H)-one
8-[(2-Pyridylmethyl)thio]-1,3-dimethyl-3,7-dihydro-2-thioxo-1H-purin-6-one
8-[(3-Pyridylmethyl)thio]-3,7-dihydro-1,3-dimethyl-2-thioxo-1H-purin-6-one
8,8'-Trimethylenebis(1,2,3,7-tetrahydro-1,3-dimethyl-2-thioxo-6H-purin-6-one)
8,8'-Tetramethylenebis(1,2,3,7-tetrahydro-1,3-dimethyl-2-thioxo-6H-purin-6-one)
8,8'-(1,5-Pentanediyl)bis(3,7-dihydro-1,3-dimethyl-2-thioxo-6H-purin-6-one)
8-[[3-(4-Fluorobenzoyl)propyl]thio]-1,7-dihydro-1,3-dimethyl-6-thioxo-2H-purin-2-one