: Amines, amino acids, proteins, and diazonium salts.

: Aromatic halides, sulfonic acids, nitro compounds, amines, phenols, and carboxylic acids. Polynuclear Hydrocarbons : Chemistry of Naphthalene and Anthracene. Heterocyclic Compounds

Searching for the is common, but you need to understand what you are getting.

The book "A Textbook of Organic Chemistry" by B.S. Bahl and Arun Bahl is widely available in PDF format online. Students can easily download and access the book from various websites and online platforms. However, it is essential to ensure that the downloaded copy is from a legitimate source to avoid any copyright issues.

Establishing the physical basis of organic molecules.