Geissoschizine methyl ether is an alkaloid contained in the
kampo medicine
Yokukansan. Geissoschizine methyl ether has an antagonistic effect on
5-HT7 receptors.[1]
References
^Ueki, T; Nishi, A; Imamura, S; Kanno, H; Mizoguchi, K; Sekiguchi, K; Ikarashi, Y; Kase, Y (2013). "Effects of geissoschizine methyl ether, an indole alkaloid in Uncaria hook, a constituent of yokukansan, on human recombinant serotonin(7) receptor". Cellular and Molecular Neurobiology. 33 (1): 129–35.
doi:
10.1007/s10571-012-9878-3.
PMID22968712.
S2CID16204547.