Two new tryptamine-derived alkaloids from Chimonanthus praecox f. concolor

Two new tryptamine-derived alkaloids from Chimonanthus praecox f. concolor Two new tryptamine-derived alkaloids from Chimonanthus praecox f. concolor Isolation, structure elucidation, and total synthesis of two new Chimonanthus alkaloids, chimonamidine and chimonanthidine Salicifoxazines A and B, new cytotoxic tetrahydro-1,2-oxazine-containing tryptamine-derived alkaloids from the leaves of Chimonanthus salicifolius Dimeric piperidinoquinoline alkaloids from the seeds of Chimonanthus salicifolius Pyrrolidinoindoline Alkaloids from Psychotria colorata Pyrrolidinoindoline Alkaloids from <i>Psychotria </i><i>colorata</i> Constituents from Chimonanthus praecox (wintersweet) Two novel dimeric indole alkaloids from the leaves and twigs of Psychotria henryi Alkaloids of Aconitum coreanum VIII. Structure of coryphidine