7-(2H-1,3-Benzodioxol-5-yl)-1-methyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-5-carboxylic acid 1g

7-(2H-1,3-Benzodioxol-5-yl)-1-methyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-5-carboxylic acid 1g