pTH (1-34) amide (human) is a polypeptide that can be found by peptide screening. Peptide screening is a research tool that pools active peptides primarily by immunoassay. Peptide screening can be used for protein interaction, functional analysis, epitope screening, especially in the field of agent research and development.

NADPH tetrasodium salt is the reduced form of the electron acceptor nicotinamide adenine dinucleotide phosphate (NADP+) and acts as an electron donor in various biological reactions.

5β-Hydroxybufotalin (compound 6) is an anticancer agent that can effectively inhibit the growth activity of cancer cells. 5β-Hydroxybufotalin is also a natural product obtained from the chinese traditional drug Ch'an Su.