CH 3 − CH 2 − CH 2 − CH 3 CH 3 CH 2 CH 2 CH 3 {\displaystyle {\begin{matrix}{\ce {CH3-CH2-CH2-CH3}}\\{\ce {CH3CH2CH2CH3}}\end{matrix}}} Chemical structures may be written in more compact forms, particularly when showing organic molecules.
CH 3 − CH 2 − CH 2 − CH 3 CH 3 CH 2 CH 2 CH 3 {\displaystyle {\begin{matrix}{\ce {CH3-CH2-CH2-CH3}}\\{\ce {CH3CH2CH2CH3}}\end{matrix}}} Struktur kimia dapat ditulis dalam bentuk yang lebih kompak, terutama bila menunjukkan molekul organik.