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甜菜碱(betain)

betaine smiles C N+ C C CC =O O- $结构式:$ - tikz \usepackage chemfig \begin document \chemfig N^+ - 2,1 CH 3- 2,1 COOH < 7.3,1 CH 3 <: ,1 CH 3 - 4.7,1 CH 3 \end documen

称谓

betaine

3D结构

C[N+](C)(C)CC(=O)[O-]

$结构式:$

-

\usepackage{chemfig}
\begin{document}
\chemfig{
N^+	(-[2,1]CH_3-[2,1]COOH)
	(<[7.3,1]CH_3)
	(<:[,1]CH_3)
	-[4.7,1]CH_3
}
\end{document}

--- -

\usepackage{chemfig}
\begin{document}
\chemfig{
	(-[0.7,1]COOH)
	(-[3.3,1]N^+
		(-[1,0.8])
		(-[3,0.8])
		(-[5,0.8])
	)
}
\end{document}