吐根碱

2-ethyl-4,5-dimethoxy-benzoic acid

2-hydroxyimino-5,6-dimethoxy-3H-inden-1-one

2,3,9-trimethoxy-benzo[b]naphtho[1,2-d]furan-6-ol

rac-9-ethoxy-2,3,10-trimethoxy-berbine