The Pug View API of PubChem database returns more detailed information about a PubChem request, such as assays, compounds,
substances, etc. A super-class PugViewInstance is defined, which is returned from get_pug_view function. This class has
slots detailed below.
results:A list containing elements of each of the requested compounds, assays, substances, etc.
request_args:A list containing the input arguments of a PubChem request.
success:A logical value indicating whether the request was successfully completed (TRUE) or not (FALSE).
error:A list detailing any errors encountered during the request, if applicable.
section, sectionList