Synonyms: Acroptilin;(2S)-2-Hydroxy-2-methyl-3-chloropropanoic acid (3aR,9R)-3,3aβ,4,5,6,6aβ,7,8,9aβ,9bα-decahydro-8α-hydroxy-3,6-bis(methylene)-2-oxospiro[azuleno[4,5-b]furan-9(2H),2'-oxirane]-4β-yl ester;(2S)-3-Chloro-2-hydroxy-2-methylpropanoic acid (3aR,9R)-3,3aβ,4,5,6,6aβ,7,8,9aβ,9bα-decahydro8α-hydroxy-3,6-bismethylene-2-oxospiro[azuleno[4,5-b]furan-9(2H),2'-oxiran]-4β-yl ester;(S)-3-Chloro-2-hydroxy-2-methylpropionic acid [(3aR,6aβ,9R,9aβ,9bα)-dodecahydro-8α-hydroxy-3,6-bis(methylene)-2-oxospiro[azuleno[4,5-b]furan-9,2'-oxiran]-4β-yl] ester;C09288