Synonyms: vouacapan;(4aS)-1,2,3,4,4aβ,5,6,6aα,7,11,11aβ,11b-Dodecahydro-5β,6α-dihydroxy-4,4,11bα-trimethylphenanthro[3,2-b]furan-7α-carboxylic acid;(4aS)-4,4,11bα-Trimethyl-5β,6α-dihydroxy-1,2,3,4,4aβ,5,6,6aα,7,11,11aβ,11b-dodecahydrophenanthro[3,2-b]furan-7α-carboxylic acid;6α,7β-Dihydroxyvouacapan-17β-oic acid