Leptin (93-105), human, is the amino acids 93 to 105 fragment of human leptin. Leptin is a 167-residue peptide hormone mainly produced by adipocytes and acts in the central nervous system to primarily coordinate the metabolic adaptations to fasting.

Lactitol monohydrate is a disaccharide analogue of lactulose.

Zinc phthalocyanine are photosensitiveis commonly applied in industry (catalysts photoconductors) and biomedical (photodynamic therapy).