SBD-F4-Fluoro-7-sulfobenzofurazan ammonium salt7-Fluorobenz-2,1,3-oxadiazole-4-sulfonic acid ammonium salt7-Fluorobenzofurazan-4-sulfonic acid ammonium salt7-氟苯呋咱-4-硫酸 铵盐7-氟苯呋咱-4-硫酸铵盐7-氟苯并-2,1,3-噁二唑-4-磺酸 铵盐Ammonium 7-fluorobenzofurazan-4-sulfonate4-氟-7-磺酸苯并呋咱 铵盐