54278-80-7 9-(Chloromethyl)dodecahydro-7,9-dihydroxy-3,6-bis(methylene)-2-oxoazuleno(4,5-b)furan-4-yl 2,3-dihydroxy-2-methylpropanoate Chlorohyssopifolin E Propanoic acid, 2,3-dihydroxy-2-methyl-, 9-(chloromethyl)dodecahydro-7,9-dihydroxy-3,6-bis(methylene)-2-oxoazuleno(4,5-b)furan-4-yl ester