Acetoacetic acid (AcAc) is a weak organic acid that can be produced in the human liver under certain conditions of poor metabolism leading to excessive fatty acid breakdown (diabetes mellitus leading to diabetic ketoacidosis).

Calcipotriol monohydrate is an analog of Vitamin D3 with a high affinity for the vitamin D receptor. Calcipotriol monohydrate can be used for studies about psoriasis.

Pitavastatin calcium is a novel member of the medication class of statins.