Jhanidiol diacetate

(13R)-8-Methyl-14-oxapimar-15-ene-1β,18-diol diacetate

(3R,6aα,10bα)-10β-Acetyloxy-3α-ethenyldodecahydro-3β,4aβ,7β,10aβ-tetramethyl-1H-naphtho[2,1-b]pyran-7α-methanol acetate