2-Mercapto-7-methyl-4-oxo-1-((tetrahydrofuran-2-yl)methyl)-1,4-dihydropyrido[2,3-d]pyrimidine-5-carboxylic acid 50mg

2-Mercapto-7-methyl-4-oxo-1-((tetrahydrofuran-2-yl)methyl)-1,4-dihydropyrido[2,3-d]pyrimidine-5-carboxylic acid 50mg