Showing structure for (3s,4s,4's,4''r,6s,6''s,9r,9''r,9as,9''as)-6,6''-bis(furan-3-yl)-9,9''-dimethyl-hexadecahydrodispiro[quinolizine-3,2'-thiolane-4',3''-quinolizine]-4,4''-diol