CAS 2050-22-8 appears in our catalog under these names: Diethyl Pyridine-2,3-dicarboxylate, Diethyl pyridine–2,3–dicarboxylate, Diethyl pyridine-2,3-dicarboxylate 97%, Diethyl pyridine-2，3-dicarboxylate, 97%, 97%, Diethyl pyridine-2,3-dicarboxylate, 97%. Offered by: TRC, GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 500mg, 50mg, 100g, 25g, 5g, 1g, 10g.