137893-48-2 6,8-Isoquinolinediol, 5,5'-(1,1'-dihydroxy-8,8'-dimethoxy-6,6'-dimethyl(2,2'-binaphthalene)-4,4'-diyl)bis(1,2,3,4-tetrahydro-1,3-dimethyl-, (1R,1'R,3R,3'R,5R,5'S)- Michellamine B