rare

A unique collection of 693 rare natural products, which can be used for high throughput screening (HTS) and high content screening (HCS);

A unique collection of 4533 pure natural products and their derivatives with known biological activity for drug discovery, pharmacological study, stem cell differentiation, fingerprint study and quality research, and can be used for high throughput screen

A unique collection of 2400 covalent Inhibitors and other molecules with common warheads like chloroacetyl，2-Chloropropionyl，Acryloyl，sulfonyl fluoride, alkyne，acrylamide, ketocarbonyl，disulfide bond, etc.

A unique collection of 857 compounds with anti-PD activities or acting on main drug targets of PD can be used for HTS and HCS.

Detialed biological information and pharmacological information of the products, providing theoretical direction and research basis for screening.