151178-05-1

Dispiro[furan-3(2H),2'(5'H)-furan-5',1''(4''H)-naphthalen]-4''-one,2'',3',3'',4',4''a,5'',6'',7'',8'',8''a-decahydro-3''-hydroxy-2'',5'',5'',8''a-tetramethyl-,[1''R-[1''a(R*),2''a,3''b,4''aa,8''ab]]-