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嘧啶

pyrimidine 存在【氨基-亚氨基】互变异构 嘧啶.png smiles C1=CN=CN=C1 $结构式：$ - Beilstein tikz \usepackage chemfig \begin document \chemfig N - 4,0.3,,,transparent 1 6 - - ,0.3,,,transpare

作者：admin

称谓

pyrimidine

存在【氨基-亚氨基】互变异构

![[嘧啶.png]]

3D结构

C1=CN=CN=C1

$结构式：$

• Beilstein

\usepackage{chemfig}
\begin{document}
\chemfig{
N(-[4,0.3,,,transparent]1)**6(
		-(-[,0.3,,,transparent]2)
		-N(-[,0.3,,,transparent]3)
		-(-[,0.3,,,transparent]4)
		-(-[,0.3,,,transparent]5)
		-(-[,0.3,,,transparent]6-[2,0.5,,,transparent])
		-
	)
} 
\end{document}

• Beilstein

\usepackage{chemfig}
\begin{document}
\chemfig{
**6((-[4,0.3,,,transparent]2)
		-N(-[,0.3,,,transparent]3)
		-(-[,0.3,,,transparent]4)
		-(-[,0.3,,,transparent]5)
		-(-[,0.3,,,transparent]6-[2,0.5,,,transparent])
		-N(-[,0.3,,,transparent]1)
		-
	)
} 
\end{document}

• IUPAC

\usepackage{chemfig}
\begin{document}
\chemfig{
**6((-[4,0.3,,,transparent]2)
		-N(-[,0.3,,,transparent]1)
		-(-[,0.3,,,transparent]6)
		-(-[,0.3,,,transparent]5)
		-(-[,0.3,,,transparent]4-[2,0.5,,,transparent])
		-N(-[,0.3,,,transparent]3)
		-
	)
} 
\end{document}

• IUPAC

\usepackage{chemfig}
\begin{document}
\chemfig{
**6((-[4,0.3,,,transparent]4)
		-N(-[,0.3,,,transparent]3)
		-(-[,0.3,,,transparent]2)
		-N(-[,0.3,,,transparent]1)
		-(-[,0.3,,,transparent]6)
		-(-[,0.3,,,transparent]5-[2,0.5,,,transparent])
		-
	)
} 
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
(-[4,0.3,,,transparent]4)**6(
		-N(-[,0.3,,,transparent]3)
		-(-[,0.3,,,transparent]2)
		-N(-[,0.3,,,transparent]1)
		-(-[,0.3,,,transparent]6)
		-(-[,0.3,,,transparent]5-[2,0.5,,,transparent])
		-
	)
} 
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
**6(
		-N
		-
		-N
		-
		-
		-
	)
} 
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
N=[0.7,0.6]
	-[2,0.6]N
		=[3.3,0.6]
			-[4.7,0.6]
				=[6,0.6]
					-[7.3,0.4]
} 
\end{document}

-

\usepackage{chemfig}
\begin{document}
\chemfig{
N-[0.7,0.6]
	=[2,0.6]N
		-[3.3,0.6]
			=[4.7,0.6]
				-[6,0.6]
					=[7.3,0.4]
} 
\end{document}

嘧啶衍生物

[[C：胞嘧啶（cytosine）]] [[U：尿嘧啶（uracil）]] [[T：胸腺嘧啶（thymine）]]