Disclosed are crystalline complexes of baccatin III with imidazole, 2-methylimidazole or isopropanol, which are useful for isolating baccatin III from plant tissue cell culture and plant extracts containing baccatin Ill.

Se divulgan los complejos cristalinos del baccatin III con el imidazole, 2-methylimidazole o el isopropanol, que son útiles para aislar el baccatin III de la cultura de célula del tejido fino de planta y la planta extrae contener enfermedad del baccatin.