To answer this question, you need to have knowledge of the chemical name of Vitamin B7.
Option A) Dermatitis - This option is incorrect because dermatitis is a skin condition and not the chemical name of Vitamin B7.
Option B) B - This option is incorrect because "B" is not the chemical name of Vitamin B7.
Option C) Bixonamine - This option is incorrect because "Bixonamine" is not the chemical name of Vitamin B7.
Option D) Biotin - This option is correct because "Biotin" is the chemical name of Vitamin B7. Biotin is a water-soluble vitamin that plays a key role in energy metabolism and the synthesis of fatty acids, amino acids, and glucose.
The correct answer is option D.