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nature : Another famous flunarizine. A production from the North American Division Lobelia Lobelia plant proposed by the alkaloids. White or yellow micro-crystalline powder, odorless, tasteless. The temperature 62 ° C ~ 64. Micro dissolve in water, soluble in ethanol. A spirit Yi met decomposition. The respiratory center can be excited for respiratory failure, neonatal asphyxia, but also for inhalation anesthetics and other central inhibitors (such as opiates, barbiturates), poisoning, suffocation caused by carbon monoxide, etc.. From 2,6 - dimethylpyridine benzaldehyde by condensation, bromination, eliminate, methylation, the addition in 1-methyl-2 ,6-acetophenone pyridine hydrochloride and methyl sulfate salt in the system.
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