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.

Glucagon-like peptide 2 (GLP-2) is a recently identified intestinal epithelium-specific growth factor that has been shown to reduce the severity of inflammatory disorders of the intestine in rodent models. Currently Glucagon-Like Peptide 2 is used as a potential therapeutic agent for the human subjects with a broad variety of intestinal diseases characterized by intestinal damage and insufficiency.

N-acetyl-D-Lactosamine (N-Acetyllactosamine) is a disaccharide consisting of galactose and N-acetylglucose, which is an important component of various oligosaccharides and can be used as a starting material for the synthesis of various oligosaccharides.