Thiamine and pyridoxine are also known respectively as:

Thiamine is the chemical name for Vitamin B$$_1$$. It plays a crucial role in energy metabolism and nerve function. Pyridoxine is the chemical name for Vitamin B$$_6$$, which is involved in amino acid metabolism and neurotransmitter synthesis.

Looking at the options, Option (4) correctly identifies thiamine as Vitamin B$$_1$$ and pyridoxine as Vitamin B$$_6$$.

For reference, Vitamin B$$_2$$ is riboflavin and Vitamin E is tocopherol, which rules out the other options.

The correct answer is Option (4).