Cosmoline/yellowing clear coat removal

Apparently, the engine compartment and trunk of my car have been treated with Cosmoline, a rust treatment from the 70's. (Thanks to John_in_Va for naming the culprit.) As a result the whole engine compartment and much of the trunk have yellowed horribly. Attached is an image where you can see: 1.

Cosmoline/yellowing clear coat removal

Cosmoline/yellowing clear coat removal

Wizards Mystic Clay, 120g

Cosmoline Remover

Yellowing Clearcoat : r/Autobody

Key Causes and Solutions for Fixing Peeling Clear Coat

Does anyone know the best way to fix the clear coat peeling without repainting? : r/projectcar

Malco A&L Cosmoline Remover – AutoBrite Company

What To Do When Your Clear Coat Comes Off And Leaves Behind Exposed Color Base Coat