CAS 63237-87-6 appears in our catalog under these names: Pyrazolo(1，5–a)pyridine–2，3–dicarboxylic acid, Pyrazolo[1,5-a]pyridine-2,3-dicarboxylic acid 96%, Pyrazolo[1,5-a]pyridine-2,3-dicarboxylic acid, 96%, 96%, Pyrazolo[1,5-a]pyridine-2,3-dicarboxylic acid, 96%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 250mg, 1g, 5g.