dioncophylline A

(1R)-7-[(aS)-4,5-Dimethoxy-2-methyl-1-naphtyl]-1,2,3,4-tetrahydro-1β,3α-dimethylisoquinolin-8-ol

(1R)-7-[(aS)-2-Methyl-4,5-dimethoxy-1-naphthalenyl]-1β,3α-dimethyl-1,2,3,4-tetrahydroisoquinolin-8-ol