Suggestions from I see your images have a mixed file types png and jpeg Actually Wikipedia recommends The basic choices are SVG for simple diagrams especially those that need to be scaled JPEG for photographic images and PNG for everything else as discussed on this page Wikipedia Preparing images for upload So if you drew these diagrams in ChemDraw it s better to save them as png If you are using other tools allowing saving as svg that would be the best Some of the images were not uploaded to Wikimedia Commons but uploaded to Wikipedia instead Please consider move them to Wikimedia Commons Some of the references are not formatted right like 5 and 6 Please remember to delete your signatures at various places when you move the article to a formal Wikipedia page