Naphtho[2,3-b]furan-2(3H)-one, 3a,5,6,7,8,8a,9,9a-octahydro-5,8a-dimethyl-3-methylene-, (3aα,5β,8aβ,9aα)-

2-Naphthaleneacetic acid, 2β,3,4,4a,5,6,7,8-octahydro-3α-hydroxy-4aα,8α-dimethyl-α-methylene-, γ-lactone (7CI)