Potassium 7-hydroxy-1-naphthalenesulfona is naturally present in the fruit of the Rubiaceae gardenia, the flowers of the Iridaceae crocus, and the flowers and leaves of the Scrophulariaceae Scrophulariaceae.

Calcitonin chicken is a hormone, that regulates calcium metabolism. Calcitonin chicken suppresses the cell motility and bone resorption in neonatal rat osteoclasts.

Exendin-4 (3-39) is a peptide. Exendin-4 (3-39) is a truncated form of Exendin-4 that lacks the first two amino acids. Exendin-4 is a potent Glucagon-like peptide-1 receptor (GLP-1r) agonist. Exendin-4 (3-39) and Exendin-4 can be used for the research of diabetic and hypothalamic-pituitary-adrenal (HPA) axis.