Lobelia plant is

Lobeline is very freely soluble in water, but slightly soluble in hot alcohol.

Lobeline used by the Native Americans for

Newborn infants who have respiratory problems are given injections of

The name of this structuer is

Which plant that is rich in alkali nicotinic acid derivatives

The family of betel nut is

The scientific name for areca is

The important alkaloids of areca

The precursors of arecoline and arecaidine of areca

The name of this structuer is

The name of this structuer is

Tobacco:is the dried leaf of

Family of tobaco is

Tobacco contain alkaloid is

Nicotine in small doses can act as respiratory stimulant, but in large dose it causes respiratory depression.

nicotine is toxic to human due to its effect on