Simvastatin79902-63-9100 % similar Simvastatin ammonium salt139893-43-972 % similar Lovastatin75330-75-569 % similar Mevastatin73573-88-353 % similar Lovastatin sodium salt75225-50-248 % similar Pravastatin81093-37-042 % similar Pravastatin sodium81131-70-640 % similar