11-epi-Dihydroreynosin 32223-12-4 Dihydroreynosin Naphtho(1,2-b)furan-2(3H)-one, decahydro-6-hydroxy-3,5a-dimethyl-9-methylene-, (3S-(3alpha,3aalpha,5abeta,6beta,9aalpha,9bbeta))-