Maleic acid or cis-butenedioic acid is an organic compound that is a dicarboxylic acid, a molecule with two carboxyl groups.Its chemical formula is HO 2 CCHCHCO 2 H. Maleic acid is the cis-isomer of butenedioic acid, whereas fumaric acid is the trans-isomer.aleic acid is a less stable molecule than fumaric acid. The difference in heat of combustion is 22.7 kJÂ·mol â1. The heat of combustion is -1355 kJ/mole.
Atorvastatin, marketed under the trade name Lipitor among others, is a member of the drug class known as statins, which are used primarily as a lipid-lowering agent and for prevention of events associated with cardiovascular disease.
GENERIC NAME: lovastatin. DRUG CLASS AND MECHANISM: Lovastatin belongs to a class of cholesterol-lowering drugs called HMG-CoA reductase inhibitors, or, more commonly  statins .. Other statins include simvastatin (Zocor), atorvastatin (Lipitor), fluvastatin (Lescol), and rosuvastatin (Crestor).