Malonates are organic compounds containing a malonate group, which is a dicarboxylic acid functional group with the structure -OC(CH2COOH)2, and can form salts or esters known as malonates.

A plant species of the family APIACEAE. The stalks are a food source.

An order of CRENARCHAEOTA consisting of aerobic or facultatively aerobic, chemolithotrophic cocci which are extreme thermoacidophiles. They lack peptidoglycan in their cell walls.

Alkaloids extracted from various species of Cinchona.

Enzymes that catalyze the addition of a carboxyl group to a compound (carboxylases) or the removal of a carboxyl group from a compound (decarboxylases). EC 4.1.1.