I don't usually go deep into engine oil ingredients. I usually buy Lucas Oil 10278 and I fully trust this oil. It has never let me down and if you want to know its ingredients, they are all mentioned in the review. So, in my opinion, you should check it
Base Oil 86% Detergent Inhibitor 1% Detergent 4% Multifunctional Additive 4% Viscosity Improver 5%
The Chemical Formula For Motor Oil is C8H18.