methyl 4-((4'-amino-(1,1'-biphenyl)-4-yl)amino)-1-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate
methyl 4-((4'-amino-(1,1'-biphenyl)-4-yl)amino)-1-hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxylate