2h-pyran
Spiro[2H-pyran-2,2'(3'H)-thieno[3,2-g]- benzofuran]-3'-one,dodecahydro-3'a,4,4',6'- tetrahydroxy-5-methyl-,(2S,3'aR,4S,4'S,5R,- 5'aR,6'R,8'aS,8'bS)-
2H-Pyran-2,4-diol,6-[(2E,4E,6R,8E,10E)-6,8-dimethyl-2,4,8,10,14-pentadecapentaen-1-yl]tetrahydro-2,3-dimethyl-,(2S,3R,4S,6R)-