Stability of superfine powder of Fritillariae Thunbergii Bulbus, Gastrodiae Rhizoma, and Rhodiolae Crenulatae Radix et Rhizoma Chemical constituent changes of Aconiti Radix Cocta in compatibility process with Fritillariae Cirrhosae Bulbus and Fritillariae Thunbergii Bulbus Chemical constituent changes of Aconiti Radix Cocta in compatibility process with Fritillariae Cirrhosae Bulbus and Fritillariae Thunbergii Bulbus