158827-61-3

Spiro[2H-furo[2,3-e]isoindole-2,1'(2'H)-naphthalene]-7(3H)-hexanoicacid, a-(3',4',4'a,5',6,6',7',8,8',8'a-decahydro-4,6',7'-trihydroxy-2',5',5',8'a-tetramethyl-6-oxospiro[2H-furo[2,3-e]isoindole-2,1'(2'H)-naphthalen]-7(3H)-yl)-3',4',4'a,5',6,6',7',8,8',8'