7-(1-Hydroxy-8-methoxy-3-methyl-naphthalen-2-yl)-1,3-dimethyl-1,2,3,4-tetrahydro-isoquinolin-8-ol 8-isoquinolinol, 1,2,3,4-tetrahydro-7-(1-hydroxy-8-methoxy-3-methyl-2-naphthalenyl)-1,3-dimethyl-, (1R,3R)- Dioncophylline E InChI=1/C23H25NO3/c1-12-10-15-6-5-7-18(27-4)21(15)23(26)19(12)17-9-8-16-11-13(2)24-14(3)20(16)22(17)25/h5-10,13-14,24-26H,11H2,1-4H3/t13-,14-/m1/s rel-(1R,3R)-7-(1-hydroxy-8-methoxy-3-methyl-2-naphthyl)-1,3-dimethyl-1,2,3,4-tetrahydroisoquinolin-8-ol