A series of compounds capable of deriving an intermediate for the production of compound (A) of the following formula, ##STR1## which is an anti-HIV drug, and a production method thereof. To be specific, 4-(pyridin-2-yl)benzaldehyde hydrazone, a production method of this compound, and a production method from this compound to N-(tert-butoxycarbonyl)-N'-[4-(pyridin-2-yl)phenylmethylidene]hydrazine. In addition, a salt of 2-(4-bromomethylphenyl)pyridine, 2-(4-dibromomethylphenyl)pyridine and a salt thereof, production methods of these compounds, and production methods to derive 4-(pyridin-2-yl)benzaldehyde which is a production intermediate for 4-(pyridin-2-yl)benzaldehyde hydrazone from these compounds.

Серия смесей способных выводить промежуточное звено для продукции смеси (A) following формулы, ## ## STR1 которое будет снадобье анти-anti-HIV, и способа производства thereof. Быть специфически, гидразоны 4-(pyridin-2-yl)benzaldehyde, способа производства этой смеси, и способа производства от этой смеси к N-(tert-butoxycarbonyl)-N'-[4-(pyridin-2-yl)phenylmethylidene]hydrazine. In addition, соль 2-(4-bromomethylphenyl)pyridine, 2-(4-dibromomethylphenyl)pyridine и соли thereof, способа производства этих смесей, и способа производства для того чтобы вывести 4-(pyridin-2-yl)benzaldehyde которое будет промежуточным звеном продукции для гидразона 4-(pyridin-2-yl)benzaldehyde от этих смесей.