11α-Acetoxysandaracopimar-15-ene-8β,12β-diol

(2S)-2β-Ethenyl-2,3,4,4aβ,4b,5,6,7,8,8aβ,9,10-dodecahydro-2,4bα,8,8-tetramethyl-3α,4β,10aα(1H)-phenanthrenetriol 4-acetate