The web application “mol2chemfig” is very amazing. (http://py-chemist.com/mol_2_chemfig).
Especially the search function, where one can just type the name of the chemical and out comes the chemfig code where it can be pasted to LaTeX. The mol2chemfig package needs to be imported in LaTeX before the code can be compiled. Alternatively, one can just save the PDF image (vector graphics) generated by the web app.
Below is a screenshot of what is happening:
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