4.
Name: 7,11-Methano-2H-cycloocta[f][2]benzopyran-8- acetic acid,4-(3-furanyl)-1,4,4a,5,6,6a,7,8,9,- 10,11,12b-dodecahydro-4a,7,9,9-tetramethyl- 10-[[(2E)-2-methyl-1-oxo-2-butenyl]oxy]-2,- 13-dioxo-,methyl ester,(4R,4aR,6aS,7R,8S,10R,11S,12bS)-
CAS: 70022-91-2
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