Chromogranin A (324-337), human is a peptide fragment of chromogranin A, it can be isolated from human ileal carcinoid tumor. Chromogranin A is a soluble glycoprotein stored with hormones and neuropeptides in secretory granules of most (neuro)endocrine cells and neurons, and it is also a plasma marker of neuroendocrine tumors.

Benzquinamide hydrochloride is an antiemetic agent and increases intra-arterial pressure due to the increased peripheral vascular resistance.

(3R,5R)-1-(4-Hydroxy-3-methoxyphenyl)-7-phenylheptane-3,5-diol (compound 20) is a plant metabolite that can be isolated from Zingiberaceae plants.