Showing structure for (1r,3s)-5-{4'-[(1r,3r)-6,8-dihydroxy-1,3-dimethyl-1,2,3,4-tetrahydroisoquinolin-5-yl]-1,1'-dihydroxy-8,8'-dimethoxy-6,6'-dimethyl-[2,2'-binaphthalen]-4-yl}-1,2,3-trimethyl-3,4-dihydro-1h-isoquinoline-6,8-diol