2-Propanyl 4-[(3S,5aR,6R,7R,8aS)-6-[(1E)-3-oxo-4-phenoxy-1-buten-1-yl]-7-(tetrahydro-2H-pyran-2-yloxy)octahydro-2H-cyclopenta[b]oxepin-3-yl]butanoate|Huagongshe