Maybe I can help there. The Amazon Product Ads Upload File template might help to identify what is needed. I've put it my drop box for you to look at:
https://db.tt/7At3BkNV

Or the Google Merchant Center Feeder, or Amazon Inventory Loader from Numinix could shed some light to what is needed.

It just would be great to have the ability to generate a usable feed from this mod.