malonic acid
A dicarboxylic acid with the formula CH₂(COOH)₂, used in organic synthesis and as a building block in biochemistry.
Malonic acid is known as an intermediate in the citric acid cycle.
methylmalonic acid
diethyl malonate
From English 'malonic acid', itself derived from 'malic acid' (Latin malum, apple), as it was first obtained from malic acid.