Methyl 6-amino-5-cyano-2-{[(3-cyano-4,6-dimethylpyridin-2-yl)sulfanyl]methyl}-4-(pyridin-3-yl)-4H-pyran-3-carboxylate 1g

Methyl 6-amino-5-cyano-2-{[(3-cyano-4,6-dimethylpyridin-2-yl)sulfanyl]methyl}-4-(pyridin-3-yl)-4H-pyran-3-carboxylate 1g