Molecular formula :
nature : also known as blood Anping, serpentine. White or light yellow crystalline powder or crystalline. Odorless, colorless and tasteless, graded deep shade. Melting point 262 ~ 265 ° C (decomposition). Polarimetry -118 ° (chloroform), -164 ° (c = 0.96, pyridine). Hard to dissolve in water, soluble in methylene chloride, chloroform, methanol-soluble and acetone. A lower blood pressure and reduce the sympathetic neurons norepinephrine storage. By Apocynaceae plants snake-wood (Rauwolfia serpentina), the symptoms Rauvolfia (R.vomitoria), the big-leaf Rauvolfia (R.macrophylla), Xiaoman Periwinkle (Vinca minor), Australia twisted (Alstonia constricta) Separation of alkaloids. Hypertension has a better efficacy and toxicity, and a notable calm and stability, medical and veterinary clinical has been widely used. For the treatment of hypertension and mental disorders, but also for control. Mouse is small and large better rodenticides. The use of bait concentration of 0.025%. Fresh rats after about two to three days died. Two ethyl nicotinamide are effective antidotes.
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