CAS 405174-48-3 appears in our catalog under these names: 2,3-Dihydro-4H-pyrano[3,2-b]pyridin-4-one, 98%, 2H–Pyrano(3，2–b)pyridin–4(3H)–one, 2,3-Dihydro-4H-pyrano(3,2-b)pyridin-4-one, 2H-Pyrano[3,2-b]pyridin-4(3H)-one 98%, 2H-Pyrano[3,2-b]pyridin-4(3H)-one, 98%, 98%. Offered by: Combi-blocks, GLPBio, Biosynth, Ambeed, Chemat. Available pack sizes: 250mg, 5g, 1g, 100mg, 2,5g, 500mg.