5β,8α-dibenzyloxy-2β-methyl-1β-[3-(1-ethoxyethoxy)propyl]-1,2,4aα,5,6,7,8,8aβ-octahydronaphthalene

ethyl (1SR,2RS,3RS,4RS)-3-nitro-7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylate

Ethyl 2-exo,3-endo-3-Nitro-7-oxabicyclo<2.2.1>heptane-2-carboxylate