Secretin (33-59), rat (TFA) is a 27-aa peptide, which acts on secretin receptor, and enhances the secretion of bicarbonate, enzymes, and K+ from the pancreas.

Pentaethylene glycol di(p-toluenesulfonate) is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs.

3-Amino-5-Hydroxybenzoic Acid is a marine derived natural products found in Salinispora arenicola.