英文同义词: | 9-Methyl-1,2,3,6-tetrahydro-9H-purine-2,6-dione;9-methyl-3H-purine-2,6-dione;2,6-DIHYDROXY-9-METHYLPURINE;9-METHYLXANTHINE;3,9-dihydro-9-methyl-1H-purine-2,6-dione;9-METHYLXANTHINE XANTHINE DERIVATIVE;9-METHYL-1H-PURINE-2,6(3H,9H)-DIONE;1H-Purine-2,6-dione,3,9-dihydro-9-methyl- |