\documentclass[10pt,a4paper]{article}

% Packages
\usepackage{fancyhdr}           % For header and footer
\usepackage{multicol}           % Allows multicols in tables
\usepackage{tabularx}           % Intelligent column widths
\usepackage{tabulary}           % Used in header and footer
\usepackage{hhline}             % Border under tables
\usepackage{graphicx}           % For images
\usepackage{xcolor}             % For hex colours
%\usepackage[utf8x]{inputenc}    % For unicode character support
\usepackage[T1]{fontenc}        % Without this we get weird character replacements
\usepackage{colortbl}           % For coloured tables
\usepackage{setspace}           % For line height
\usepackage{lastpage}           % Needed for total page number
\usepackage{seqsplit}           % Splits long words.
%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
\usepackage[normalem]{ulem}     % For underlining links
% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
\usepackage{wasysym}            % Symbols
%\usepackage[english,german,french,spanish,italian]{babel}              % Languages

% Document Info
\author{BirdieHJ}
\pdfinfo{
  /Title (navngivning-af-organiske-molekyler.pdf)
  /Creator (Cheatography)
  /Author (BirdieHJ)
  /Subject (Navngivning af organiske molekyler Cheat Sheet)
}

% Lengths and widths
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% This two commands together give roughly
% the right line height in the tables
\renewcommand{\arraystretch}{1.3}
\onehalfspacing

% Commands
\newcommand{\SetRowColor}[1]{\noalign{\gdef\RowColorName{#1}}\rowcolor{\RowColorName}} % Shortcut for row colour
\newcommand{\mymulticolumn}[3]{\multicolumn{#1}{>{\columncolor{\RowColorName}}#2}{#3}} % For coloured multi-cols
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\newcommand{\tn}{\tabularnewline} % Required as custom column type in use

% Font and Colours
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\definecolor{LightBackground}{HTML}{F5F8F4}
\renewcommand{\familydefault}{\sfdefault}
\color{TextColor}

% Header and Footer
\pagestyle{fancy}
\fancyhead{} % Set header to blank
\fancyfoot{} % Set footer to blank
\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Navngivning af organiske molekyler Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{BirdieHJ} via \textcolor{DarkBackground}{\uline{cheatography.com/68925/cs/17355/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}BirdieHJ \\
  \uline{cheatography.com/birdiehj} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 7th October, 2018.\\
   Updated 7th October, 2018.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
\raggedcolumns

% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{x{1.79172 cm} x{3.18528 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Prefix}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Prefix}} & {\bf{Antal C-atomer}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Meth- & 1 \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Eth- & 2 \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Prop- & 3 \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
But- & 4 \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
Pent- & 5 \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
Hex- & 6 \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
Hept- & 7 \tn 
% Row Count 8 (+ 1)
% Row 8
\SetRowColor{LightBackground}
Oct- & 8 \tn 
% Row Count 9 (+ 1)
% Row 9
\SetRowColor{white}
Non- & 9 \tn 
% Row Count 10 (+ 1)
% Row 10
\SetRowColor{LightBackground}
Dec- & 10 \tn 
% Row Count 11 (+ 1)
% Row 11
\SetRowColor{white}
Undec- & 11 \tn 
% Row Count 12 (+ 1)
% Row 12
\SetRowColor{LightBackground}
Dodec- & 12 \tn 
% Row Count 13 (+ 1)
% Row 13
\SetRowColor{white}
Tridec- & 13 \tn 
% Row Count 14 (+ 1)
% Row 14
\SetRowColor{LightBackground}
Tetradec- & 14 \tn 
% Row Count 15 (+ 1)
% Row 15
\SetRowColor{white}
Pentadec- & 15 \tn 
% Row Count 16 (+ 1)
% Row 16
\SetRowColor{LightBackground}
Hexadec- & 16 \tn 
% Row Count 17 (+ 1)
% Row 17
\SetRowColor{white}
Heptadec- & 17 \tn 
% Row Count 18 (+ 1)
% Row 18
\SetRowColor{LightBackground}
Octadec- & 18 \tn 
% Row Count 19 (+ 1)
% Row 19
\SetRowColor{white}
Nonadec- & 19 \tn 
% Row Count 20 (+ 1)
% Row 20
\SetRowColor{LightBackground}
Eicos- & 20 \tn 
% Row Count 21 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Haloalkaner}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Prefix}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Fluoro-} \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Chloro-} \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{Bromo-} \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{Iodo-} \tn 
% Row Count 5 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Infix}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Infix}} & {\bf{Type C-C binding}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
-an- & kun enkeltbindinger \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
-en- & en eller flere dobbeltbindinger \tn 
% Row Count 4 (+ 2)
% Row 3
\SetRowColor{white}
-yn- & en eller flere trippelbindinger \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.64241 cm} x{3.33459 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Suffix}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Suffix}} & {\bf{Type kemisk forbindelse}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
-e & hydrocarbon \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
-ol & alkohol \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
-al & aldehyd \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
-one & keton \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
-oic acid & carboxylsyre \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
-amine & amin \tn 
% Row Count 8 (+ 1)
% Row 7
\SetRowColor{white}
-carbaldehyd & -CHO på cyklisk molekyle \tn 
% Row Count 9 (+ 1)
% Row 8
\SetRowColor{LightBackground}
\seqsplit{-carboxylsyre} & -COOH på cyklisk molekyle \tn 
% Row Count 10 (+ 1)
% Row 9
\SetRowColor{white}
- anhydrid & Carboxyl anhydrid \tn 
% Row Count 11 (+ 1)
% Row 10
\SetRowColor{LightBackground}
-ate & Ester \tn 
% Row Count 12 (+ 1)
% Row 11
\SetRowColor{white}
-olactone & Cyklisk ester \tn 
% Row Count 13 (+ 1)
% Row 12
\SetRowColor{LightBackground}
- phosphate & Phosphorisk ester \tn 
% Row Count 14 (+ 1)
% Row 13
\SetRowColor{white}
-amide & Amid \tn 
% Row Count 15 (+ 1)
% Row 14
\SetRowColor{LightBackground}
-olactam & Cyklisk amid \tn 
% Row Count 16 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.18988 cm} x{2.78712 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Sidegrupper}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{{\bf{Substituent}}} \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Methyl (Me) & -CH`3` \tn 
% Row Count 2 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Ethyl (Et) & -CH`2`CH`3` \tn 
% Row Count 3 (+ 1)
% Row 3
\SetRowColor{white}
Phenyl & -C`6`H`5` \tn 
% Row Count 4 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Benzyl & -CH`2`C`6`H`5` \tn 
% Row Count 5 (+ 1)
% Row 5
\SetRowColor{white}
Amino & -NH`2` \tn 
% Row Count 6 (+ 1)
% Row 6
\SetRowColor{LightBackground}
Hydroxy & -OH \tn 
% Row Count 7 (+ 1)
% Row 7
\SetRowColor{white}
Oxo & =O \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.74655 cm} x{4.23045 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{E,Z Systemet}}  \tn
% Row 0
\SetRowColor{LightBackground}
(E) & Entgegen (modsat) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
(Z) & Zusammen (sammen) \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{2.23965 cm} p{2.73735 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Cis-Trans Systemet}}  \tn
% Row 0
\SetRowColor{LightBackground}
Cis & Sammen \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
Trans & Modsat \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Gælder kun når der om en C-C dobbeltbinding er to ens atomer eller atomgrupper på hver side af bindingen, men ikke to ens på samme side. I de tilfælde hvor der ikke er to ens grupper, kan cis-trans systemet ikke benyttes, istedet bruges E,Z systemet.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{p{0.4977 cm} x{4.4793 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{R,S Systemet}}  \tn
% Row 0
\SetRowColor{LightBackground}
R & Rectus (mod højre) \tn 
% Row Count 1 (+ 1)
% Row 1
\SetRowColor{white}
S & Sinister (mod venstre) \tn 
% Row Count 2 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\SetRowColor{LightBackground}
\mymulticolumn{2}{x{5.377cm}}{Bruges om stereocenter konfiguration. De fire grupper der er bundet til stereocenteret nummereres efter prioritet. Desto højere atomvægt, desto højere prioritet. Grupperne aflæses fra højest til lavest prioritet, med gruppe 4 pegende væk fra én.}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{1.14471 cm} x{3.83229 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{2}{x{5.377cm}}{\bf\textcolor{white}{Substituenter på benzenring}}  \tn
% Row 0
\SetRowColor{LightBackground}
Ortho (o) & Substituenter på C-atom 1 og 2 \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Meta (m) & Substituenter på C-atom 1 og 3 \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
Para (p) & Substituenter på C-atom 1 og 4 \tn 
% Row Count 6 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}--}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{x{2.38004 cm} x{1.09848 cm} x{1.09848 cm} }
\SetRowColor{DarkBackground}
\mymulticolumn{3}{x{5.377cm}}{\bf\textcolor{white}{Stigende prioritet for funktionelle grupper}}  \tn
% Row 0
\SetRowColor{LightBackground}
{\bf{Funktionel gruppe}} & {\bf{Suffix}} & {\bf{Prefix}} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
Carboxyl & -oic acid & - \tn 
% Row Count 3 (+ 1)
% Row 2
\SetRowColor{LightBackground}
Aldehyd & -al & oxo- \tn 
% Row Count 4 (+ 1)
% Row 3
\SetRowColor{white}
Keton & -one & oxo- \tn 
% Row Count 5 (+ 1)
% Row 4
\SetRowColor{LightBackground}
Alkohol & -ol & hydroxy- \tn 
% Row Count 6 (+ 1)
% Row 5
\SetRowColor{white}
Amino & -amine & amino- \tn 
% Row Count 7 (+ 1)
% Row 6
\SetRowColor{LightBackground}
Sulfhydryl & -thiol & \seqsplit{mercapto-} \tn 
% Row Count 8 (+ 1)
\hhline{>{\arrayrulecolor{DarkBackground}}---}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}