Human Interferon Alpha A (Alpha 2a), carrier-free
Human Interferon Alpha 2 (Alpha 2b)
Human Interferon Alpha B2 (Alpha 8)
Human Interferon Alpha C (Alpha 10)
Human Interferon Alpha D (Alpha 1)
Human Interferon Alpha F (Alpha 21)
Human Interferon Alpha G (Alpha 5)
Human Interferon Alpha H2 (Alpha 14)