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| || | ||   / _ \\  | |  | ||  |  ___||   / ___// 
| '--' ||  | / \ || | |/\| ||  | ||__     \___ \\ 
| .--. ||  | \_/ || |  /\  ||  | ||__     /    // 
|_|| |_||   \___//  |_// \_||  |_____||  /____//  
`-`  `-`    `---`   `-`   `-`  `-----`  `-----`

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Text this: Synthesis and properties of amino- and guanidino-peptoid peptide nucleic acids