Methyl 8’-acetoxy-1,3,3,5,6-pentamethyl-2,3-dihydrospiro[1H-indole-2,3’-naphtho[2,1-b][1,4]oxazine]-9’-carboxylate
8’-Acétoxy-1,3,3,5,6-pentaméthyl-2,3-dihydrospiro[1H-indole-2,3’-naphto[2,1-b][1,4]oxazine]-9’-carboxylate de méthyle