2 1 40 Douglas C. Neckers Additional Author Michael P. Doyle Additional Author mixed material 0471630918 New York John Willey and Sons 1977 Organic_Chemistry.jpg Douglas C.Neckers Additional Author Michael P.Doyle Additional Author Erich C.Blossey Additional Author mixed material 047102385X New York John Willey and Sons 1977 Solutions_Manual_For_Organic_Chemistry.jpg