Diethyl-[2-((7S,8R)-7-methyl-7-vinyl-1,4-dioxa-spiro[4.5]dec-8-yl)-2-nitro-ethyl]-amine

(±)-ethyl (7S,8R)-7-methyl-7-vinyl-1,4-dioxaspiro[4.5]decane-8-carboxylate