(+-)-1-(1-Benzo(b)thien-2-ylethyl)-1-hydroxyurea 111406-87-2 133305-01-8 154003-29-9 A 64077 Abbott 64077 Leutrol N-(1-Benzo(b)thien-2-ylethyl)-N-hydroxyurea Urea, N-(1-benzo(b)thien-2-ylethyl)-N-hydroxy- Urea, N-(1-benzo(b)thien-2-ylethyl)-N-hydroxy-, (+-)- ZILEUTON Zileuton [USAN:BAN:INN] Zileutonum [INN-Latin] Zyflo