Chemical Reaction Datasets Or Websites To Scrape

Hey there, I know it has been asked a couple of times before, but I could not get a good source from them, and besides my request is perhaps simpler.

I am looking for a dataset of chemical reactions, the simplest possible, to construct an interaction graph, e.g. from the reaction H + 2O -> H2O, I would construct two edges between (H, H2O) and (O, H2O). Is there a database with a bunch of reactions of any kind which I could use?

Alternatively, if you know a website whose HTML could be scraped, I could also work with that.

Thanks