Showing structure for 3',6',10,11b-tetramethyl-2,3,3'a,4,4',5',6,6',6a,6b,7,7',7'a,8,11,11a-hexadecahydro-1h,3'h-spiro[cyclohexa[a]fluorene-9,2'-furo[3,2-b]pyridine]-3,11-diol