coleon O

(1S,2S,3'R,4'bS,8'aS,9'S,10'S)-10'-Acetoxy-4'b,5',6',8'a,9',10'-hexahydro-3',9'-dihydroxy-2,4'b,7',8'-tetramethylspiro[cyclopropane-1,2'(1'H)-phenanthrene]-1',4'(3'H)-dione