3,7-Dimethyl-1-(5-oxohexyl)-3,7-dihydro-1H-purine-2,6-dione ; CAS # 6493-05-6 ;

Theobromine ; 3,7-Dihydro-3,7-dimethyl-1H-purine-2,6-dione ; CAS # 83-67-0 ;

3-Methylxanthine ; 3-Methyl-3,7-dihydro-1H-purine-2,6-dione ; CAS # 1076-22-8 ;

Theophylline ; 3,9-Dihydro-1,3-dimethyl-1H-purine-2,6-dione ; CAS # 58-55-9 ;

1-(3-Hydroxypropyl)-3,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione ;

1,1′-Methylenebis(3,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione) ; CAS # 77196-87-3 ;

Caffeine ; 3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione ; CAS # 58-08-2 ;

3,7-Dimethyl-6-(5-oxohexyloxy)-3,7-dihydro-2H-purin-2-one ; CAS # 93079-86-8 ;

3-Methyl-1,7-bis(5-oxohexyl)-3,7-dihydro-1H-purine-2,6-dione dihydrochloride ; CAS # 200556-62-3 (base) ;

1-Benzyl-3,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione ; CAS # 55247-90-0 ;

1-[(5E)-11-(3,7-Dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-1-yl)-5-methyl-7-oxoundec-5-enyl]-3,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione ; CAS # 874747-30-5 ;

1,1′-(Propane-1,3-diyl)bis(3,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione) ;