I was so proud of myself last night, I just had to post my “creation!” I was using a cleaner called Krud Kutter, which I like for non-anodized metals on the bike. The air pump is just a run of the mill Petco unit that runs my 30 gallon tropical tank. It is marked IMAG-AP1 on the bottom.
Chainring bolts are now fresh and ready to put back into service.