What is the principle chemical compounds that cells use to store and release energy called? What are it's three main parts?

The principle chemical compound that cell uses to store and release energy is Adenosine triphosphate or ATP.

Adenosine triphosphate:

living things use chemical fuels as well, one of the principal chemical compounds that cells use to store and release energy is adenosine triphosphate ATP.

Three main parts:

ATP consists of

adrenine, a 5-carbon sugar called ribose and three phosphate groups.