Pregaleuterone

(+)-Pregaleuterone

(+)-3-Acetyloxy-2,3,3',4',4a,5,6,7,8,8a-decahydro-2-hydroxy-2,5,5,8a-tetramethyldispiro[naphthalene-1(4H),2'(5'H)-furan-5',3''(2''H)-furan]-4-one

(+)-3''-Acetyloxy-2'',3',3'',4',4''a,5'',6'',7'',8'',8''a-decahydro-2''-hydroxy-2'',5'',5'',8''a-tetramethyldispiro[furan-3(2H),2'(5'H)-furan-5',1''(4''H)-naphthalen]-4''-one