英文同义词
1-Methyl-2-sulfanyl-6,9-dihydro-1H-purin-6-one;1-Methyl-2-sulfanylidene-2,3,6,7-tetrahydro-1H-purin-6-one;1,2,3,9-Tetrahydro-1-methyl-2-thioxo-6H-purin-6-one;6H-Purin-6-one, 1,2,3,7-tetrahydro-1-methyl-2-thioxo-;6H-Purin-6-one, 1,2,3,9-tetrahydro-1-methyl-2-thioxo-;Xanthine, 1-methyl-2-thio-