Aminomalonic acid (Ama) was first detected in alkaline hydrolysates of proteins in 1984. Ama has been isolated from proteins of Escherichia coli and human atherosclerotic plaque. The presence of Ama has important biological implications because the malonic acid moiety potentially imparts calcium binding properties to protein.

Taxusin is a natural product form Taxus wallichiana.

16-anhydro-b-D-Glucose (Levoglucosan) is an anhydrohexose that is the 16-anhydro-derivative of beta-D-glucopyranose. It is formed from the pyrolysis of carbohydrates such as starch and cellulose. Levoglucosan can also be utilized in the synthesis of chiral polymers such as unhydrolysable glucose polymers.