摘要
A new flavan named 4α; 5-dimethoxy-8-formyl-7-hydroxy-6-methylflavan （1） was isolated from Sinacalia tangutica. Its structure was determined using spectroscopic methods and X-ray diffraction experiments.
A new flavan named 4α; 5-dimethoxy-8-formyl-7-hydroxy-6-methylflavan （1） was isolated from Sinacalia tangutica. Its structure was determined using spectroscopic methods and X-ray diffraction experiments.
