12-Didecanoyl-sn-glycero-3-phosphocholi is a synthetic less hydrophobic phospholipid that has been found to be useful for enhancing the absorption of peptide drugs and hormones such as insulin.

Nortracheloside is a natural product of Trachelospermum, Apocynaceae.Nortracheloside can be used as a reference standard.

Huperzine-B is a efficient inhibitor of human brain AChE. Huperzine-B can enhance ognitive and protect neuro, may be potentially new drug candidates for Alzheimer's disease therapy.