Corytenchine

(-)-Corytenchine

(S)-Tetrahydropalmatrubine

[13aS,(-)]-5,8,13,13a-Tetrahydro-2,3,10-trimethoxy-6H-dibenzo[a,g]quinolizin-11-ol

(13aS)-5,6,8,13-Tetrahydro-2,3,10-trimethoxy-11-hydroxy-13aH-dibenzo[a,g]quinolizine