A new norditerpene alkaloid, 10-hydroxy-8- O-methyltalatizamine (1), was isolated from the whole plant of ACONITUM ANTHORA L. besides the known isotalatizidine (2) and hetisinone (3). The structures were determined by means of HR-ESI-MS, 1D and 2D NMR spectroscopy, including ¹H-¹H COSY, NOESY, HSQC