CAS 685523-90-4 appears in our catalog under these names: 4-[(4-Methyl-2-piperidin-1-ylquinolin-6-yl)amino]-4-oxobutanoic acid, 95%, 4-((4-Methyl-2-(piperidin-1-yl)quinolin-6-yl)amino)-4-oxobutanoic acid, 97%. Offered by: Combi-blocks, AmBeed. Available pack sizes: 1g, 5g.