Synonyms: (4S)-8β,8aβ-Epoxy-4,4a,5,6,7,8,8a,9-octahydro-3,4aβ,5β-trimethylnaphtho[2,3-b]furan-4β-ol (Z)-2-methyl-2-butenoate;(Z)-2-Methyl-2-butenoic acid (1aR,9aS)-2,3,4,4a,5,9-hexahydro-4α,4aα,6-trimethyl-1aβH-oxireno[8,8a]naphtho[2,3-b]furan-5α-yl ester;Senemorin