英文别名
1,3,8,9-tetramethyl-3,9-dihydro-purine-2,6-dione;1,3,8,9-Tetramethyl-3,9-dihydro-purin-2,6-dion;1,3,8,9-Tetramethyl-isoxanthin;1,3,8,9-Tetramethyl-xanthin;1,3,8,9-Tetramethylxanthin;8-Methyl-isocoffein;1,3,8,9-Tetramethyl-3,9-dihydro-1h-purine-2,6-dione;1,3,8,9-tetramethylpurine-2,6-dione