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  ______   __   __    _____    _    _    _    _   
 /_   _//  \ \\/ //  /  ___|| | || | || | |  | || 
 `-| |,-    \ ` //  | // __   | || | || | |/\| || 
   | ||      | ||   | \\_\ || | \\_/ || |  /\  || 
   |_||      |_||    \____//   \____//  |_// \_|| 
   `-`'      `-`'     `---`     `---`   `-`   `-`

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Text this: Naphthoquinones from the leaves of Rhinacanthus nasutus having acetylcholinesterase inhibitory and cytotoxic activities