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