| Synonyms: | acanthifolicin;Acanthifolic acid;Spiro[3-oxa-7-thiabicyclo[4.1.0]heptane-2,2′-[2H]pyran]-6′-propanoic acid, tetrahydro-α,3′-dihydroxy-α,6-dimethyl-4-[(1R,2E)-1-methyl-3-[(2R,4′aR,5R,6′S,8′R,8′aS)-octahydro-8′-hydroxy-6′-[(1S,3S)-1-hydroxy-3-[(2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undec-2-yl]butyl]-7′-methylenespiro[furan-2(3H),2′(3′H)-pyrano[3,2-b]pyran]-5-yl]-2-propen-1-yl]-, (αR,1S,2S,3′R,4S,6R,6′S)- |