1H-Indole-3-carboxaldehyde also known as 3-formylindole or 3-indolealdehyde belongs to the class of organic compounds known as indoles. Indoles are compounds containing an indole moiety which consists of pyrrole ring fused to benzene to form 23-benzopyrrole.

Diethyl oxalpropionate also known as methyloxalacetic acid diethyl ester or diethyl methyloxalacetate is a member of the class of compounds known as beta-keto acids and derivatives. These compounds are organic compounds containing an aldehyde substituted with a keto group on the C3 carbon atom.

Oleamide (Oleic acid amide) is an endogenous fatty acid amide and can be used in the synthesis of de novo in the mammalian nervous system.