There was a big discussion on this topic here a while back with differing opinions. Some pointed to the MSDS sheet, but in my experience and opinion not all ingredientes, especially proprietary are listed on those sheets.
I've used Regane Total Fuel System Cleaner for many years and have found it be a good product. I will continue to use it.
Probably doesn't definitively answer your question, but I'm not sure that specific answer exists.