IUPAC:(1'R,2S,2'S,3'S,6'R,7'R,8'S,11'S)-2',6'-dihydroxy-5',5',8'-trimethyl-12'-oxaspiro[oxirane-2,9'-tetracyclo[6.4.0.0^{1,11}.0^{3,7}]dodecan]-10'-one
IUPAC:(1'R,2S,2'S,3'S,6'R,7'R,8'S,11'S)-2',6'-dihydroxy-5',5',8'-trimethyl-12'-oxaspiro[oxirane-2,9'-tetracyclo[6.4.0.0^{1,11}.0^{3,7}]dodecan]-10'-one