IUPAC:(1'S,2S,2'R,3'S,7'R,9'R,10'R,11'S)-3',10',11'-trihydroxy-2'-[hydroxy(13C)methyl]-1',5'-di(13C)methyl(1',2,2',3,3',4',5',6',7',9',10',11'-13C12)-8'-oxaspiro[oxirane-2,12'-tricyclo[7.2.1.0^{2,7}]dodecan]-5'-en-4'-one
IUPAC:(1'S,2S,2'R,3'S,7'R,9'R,10'R,11'S)-3',10',11'-trihydroxy-2'-[hydroxy(13C)methyl]-1',5'-di(13C)methyl(1',2,2',3,3',4',5',6',7',9',10',11'-13C12)-8'-oxaspiro[oxirane-2,12'-tricyclo[7.2.1.0^{2,7}]dodecan]-5'-en-4'-one