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The battle, that is considered to be a tactical masterpiece, meant a decisive victory for Alexander the Great against Persia.
Codeine is one of the most significant alkaloids of opium used to treat pain.
Morphine is one of the most significant alkaloids of opium used to treat pain.
The magnificent mausoleum was commissioned by Timur, the legendary conqueror.
In this battle, Simeon I won a great victory over the Byzantine army.
This 3D scene, including built-in exercises, presents the alliances established in both world wars.
colorless, odorless gas used as a standard in NMR spectroscopy.
The first member in the homologous series of 1-alkenes.
A colorless gas with a pungent odor. It is widely used in industry.
The compound of hydrogen and oxygen. colorless, odorless liquid; heavier than water.
An aldehyde which is an important raw material and intermediate product in industry.
A basic heterocyclic organic compound; a colorless, pungent toxic liquid.
A colorless liquid with an odor similar to benzene. The monomer of polystyrene.
A white, waxy substance, a carboxylic acid of high carbon number.
A colorless gas with a pungent odor, its solution in water is called hydrochloric acid.
