IUPAC:(1R,7R,8R,9R,10S,12R)-8-hydroxy-7-methoxy-4,9-dimethyl-13-methylidene-6-oxatetracyclo[7.4.0.0^{3,7}.0^{10,12}]tridec-3-en-5-one
IUPAC:(1R,7R,8R,9R,10S,12R)-8-hydroxy-7-methoxy-4,9-dimethyl-13-methylidene-6-oxatetracyclo[7.4.0.0^{3,7}.0^{10,12}]tridec-3-en-5-one