β-lonone is an end-ring analog of β-carotenoids which widely distributed in fruit and vegetableswith?anti-proliferative anti-metastatic.

L-alloisoleucine is a branched chain amino acid and is a stereoisomer of L-isoleucine. It is a common constituent of human plasma (albeit at low levels). L-alloisoleucine is produced as a byproduct of isoleucine transamination. Plasma L-alloisoleucine which is derived from L-isoleucine in vivo can be used for the diagnosis of maple syrup urine disease (MSUD) a genetic disorder.

Arundic Acid is an astrocyte-modulating agent, delays the expansion of cerebral infarcts by modulating the activation of astrocytes through inhibition of S-100β synthesis.