repin

(2S)-2-Methyl-2-oxiranecarboxylic 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

Oxiranecarboxylic acid, 2-methyl-, decahydro-8-hydroxy-3,6-bis(methylene)-2-oxospiro(azuleno(4,5-B)furan-9(2H),2'-oxiran)-4-yl ester, (3ar-(3aalpha,4alpha(S*),6aalpha,8beta,9alpha,9aalpha,9bbeta))-