(8-hydroxy-3,6-dimethylidene-2-oxospiro[3a,4,5,6a,7,8,9a,9b-octahydroazuleno[4,5-b]furan-9,2'-oxirane]-4-yl) 3-chloro-2-hydroxy-2-methylpropanoate
CAS No. 11049-71-1