Aza-Henry (Nitro-Mannich), ethyl (E)-2-((4-methoxyphenyl)imino)acetate, tert-butyl 2-nitropropanoate, 1-(tert-butyl) 4-ethyl (2S,3R)-3-((4-methoxyphenyl)amino)-2-methyl-2-nitrosuccinate, Quinine Base