Ethyl 6-amino-4-(4-chlorophenyl)-5-cyano-2-[({5-cyano-[2,4'-bipyridine]-6-yl}sulfanyl)methyl]-4H-pyran-3-carboxylate 1g

Ethyl 6-amino-4-(4-chlorophenyl)-5-cyano-2-[({5-cyano-[2,4'-bipyridine]-6-yl}sulfanyl)methyl]-4H-pyran-3-carboxylate 1g