Ethyl 4-hydroxy-7-methyl-2-oxo-1-(prop-2-yn-1-yl)-1,2-dihydro-1,8-naphthyridine-3-carboxylate 250mg

Ethyl 4-hydroxy-7-methyl-2-oxo-1-(prop-2-yn-1-yl)-1,2-dihydro-1,8-naphthyridine-3-carboxylate 250mg