cholesterol chemical formula, molecular structure

cholesterol molecule formula chemical structure molecular chemicals chemistry atomic skeletal structural scheme cell level high test medical icon vector blood fat fatty acid steroid lipids colesterol chart diagram control hypercholesterolemia hyperlipidemia ldl hdl good bad lipoprotein medicine health healthy sign symbol logo pictogram design line concept flat type science drawing clipart isolated white background hexagon icons signs logos web abstract clip art symbols computer graphic graphics cartoon molecules formulas