IUPAC:(2'R,4'S,7'R,9'R,10'R,11'S)-2'-(hydroxymethyl)-1',5'-dimethyl-8'-oxaspiro[oxirane-2,12'-tricyclo[7.2.1.0^{2,7}]dodecan]-5'-ene-4',10',11'-triol
IUPAC:(2'R,4'S,7'R,9'R,10'R,11'S)-2'-(hydroxymethyl)-1',5'-dimethyl-8'-oxaspiro[oxirane-2,12'-tricyclo[7.2.1.0^{2,7}]dodecan]-5'-ene-4',10',11'-triol