1-(5,6-oxidohexyl)-3,7-dimethylxanthine

(5Z)-5-hydroxyimino-1-methyl-1,3-diazinane-2,4,6-trione

1-(3-羟基丙基)-3,7-二甲基-1H-嘌呤-2,6(3H,7H)-二酮

1-(3-iodopropyl)-3,7-dimethylpurine-2,6-dione

1-乙基-3,7-二甲基嘌呤-2,6-二酮